Home / 203,485.76-305,228.64-92,600

Finding the Fourth Proportional to 203,485.76, 305,228.64 and 92,600

Calculator

Solution

The fourth proportional to 203,485.76, 305,228.64 and 92,600 is: 138,900

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,485.76 : 305,228.64 = 92,600 : x
  2. Step 2: Convert to fraction form
    203,485.76/305,228.64 = 92,600/x
  3. Step 3: Cross multiply
    203,485.76x = 305,228.64 × 92,600
  4. Step 4: Simplify right side
    203,485.76x = 28,264,172,064
  5. Step 5: Solve for x
    x = 28,264,172,064/203,485.76
  6. Step 6: Final answer
    x = 138,900

Related Problems

Find fourth proportional to 101,742.88, 152,614.32 and 46,300
Half scale
Find fourth proportional to 406,971.52, 610,457.28 and 185,200
Double scale
Find fourth proportional to 203,486.76, 305,230.14 and 92,601
Similar ratio
Find fourth proportional to 305,228.64, 457,842.96 and 138,900
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.