Home / 102,724.47-141,717.56-62,431.74

Finding the Fourth Proportional to 102,724.47, 141,717.56 and 62,431.74

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Solution

The fourth proportional to 102,724.47, 141,717.56 and 62,431.74 is: 86,130.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,724.47 : 141,717.56 = 62,431.74 : x
  2. Step 2: Convert to fraction form
    102,724.47/141,717.56 = 62,431.74/x
  3. Step 3: Cross multiply
    102,724.47x = 141,717.56 × 62,431.74
  4. Step 4: Simplify right side
    102,724.47x = 8,847,673,547.20
  5. Step 5: Solve for x
    x = 8,847,673,547.20/102,724.47
  6. Step 6: Final answer
    x = 86,130.15

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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.