Home / 253,749.68-380,624.52-105,902

Finding the Fourth Proportional to 253,749.68, 380,624.52 and 105,902

Calculator

Solution

The fourth proportional to 253,749.68, 380,624.52 and 105,902 is: 158,853

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,749.68 : 380,624.52 = 105,902 : x
  2. Step 2: Convert to fraction form
    253,749.68/380,624.52 = 105,902/x
  3. Step 3: Cross multiply
    253,749.68x = 380,624.52 × 105,902
  4. Step 4: Simplify right side
    253,749.68x = 40,308,897,917.04
  5. Step 5: Solve for x
    x = 40,308,897,917.04/253,749.68
  6. Step 6: Final answer
    x = 158,853

Related Problems

Find fourth proportional to 126,874.84, 190,312.26 and 52,951
Half scale
Find fourth proportional to 507,499.36, 761,249.04 and 211,804
Double scale
Find fourth proportional to 253,750.68, 380,626.02 and 105,903
Similar ratio
Find fourth proportional to 380,624.52, 570,936.78 and 158,853
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.