Home / 102,864.66-141,955.92-60,414.72

Finding the Fourth Proportional to 102,864.66, 141,955.92 and 60,414.72

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Solution

The fourth proportional to 102,864.66, 141,955.92 and 60,414.72 is: 83,373.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,864.66 : 141,955.92 = 60,414.72 : x
  2. Step 2: Convert to fraction form
    102,864.66/141,955.92 = 60,414.72/x
  3. Step 3: Cross multiply
    102,864.66x = 141,955.92 × 60,414.72
  4. Step 4: Simplify right side
    102,864.66x = 8,576,227,159.14
  5. Step 5: Solve for x
    x = 8,576,227,159.14/102,864.66
  6. Step 6: Final answer
    x = 83,373.89

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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.