Home / 151,023.74-208,417.29-83,037.20

Finding the Fourth Proportional to 151,023.74, 208,417.29 and 83,037.20

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Solution

The fourth proportional to 151,023.74, 208,417.29 and 83,037.20 is: 114,593.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,023.74 : 208,417.29 = 83,037.20 : x
  2. Step 2: Convert to fraction form
    151,023.74/208,417.29 = 83,037.20/x
  3. Step 3: Cross multiply
    151,023.74x = 208,417.29 × 83,037.20
  4. Step 4: Simplify right side
    151,023.74x = 17,306,387,151.10
  5. Step 5: Solve for x
    x = 17,306,387,151.10/151,023.74
  6. Step 6: Final answer
    x = 114,593.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.