Home / 113,013.75-155,966.27-62,712.75

Finding the Fourth Proportional to 113,013.75, 155,966.27 and 62,712.75

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Solution

The fourth proportional to 113,013.75, 155,966.27 and 62,712.75 is: 86,547.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,013.75 : 155,966.27 = 62,712.75 : x
  2. Step 2: Convert to fraction form
    113,013.75/155,966.27 = 62,712.75/x
  3. Step 3: Cross multiply
    113,013.75x = 155,966.27 × 62,712.75
  4. Step 4: Simplify right side
    113,013.75x = 9,781,073,385.38
  5. Step 5: Solve for x
    x = 9,781,073,385.38/113,013.75
  6. Step 6: Final answer
    x = 86,547.64

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1.5x scale

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.