Home / 302,507.76-453,761.64-80,886

Finding the Fourth Proportional to 302,507.76, 453,761.64 and 80,886

Calculator

Solution

The fourth proportional to 302,507.76, 453,761.64 and 80,886 is: 121,329

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,507.76 : 453,761.64 = 80,886 : x
  2. Step 2: Convert to fraction form
    302,507.76/453,761.64 = 80,886/x
  3. Step 3: Cross multiply
    302,507.76x = 453,761.64 × 80,886
  4. Step 4: Simplify right side
    302,507.76x = 36,702,964,013.04
  5. Step 5: Solve for x
    x = 36,702,964,013.04/302,507.76
  6. Step 6: Final answer
    x = 121,329

Related Problems

Find fourth proportional to 151,253.88, 226,880.82 and 40,443
Half scale
Find fourth proportional to 605,015.52, 907,523.28 and 161,772
Double scale
Find fourth proportional to 302,508.76, 453,763.14 and 80,887
Similar ratio
Find fourth proportional to 453,761.64, 680,642.46 and 121,329
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.