Home / 102,836.30-141,915.17-60,395.54

Finding the Fourth Proportional to 102,836.30, 141,915.17 and 60,395.54

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Solution

The fourth proportional to 102,836.30, 141,915.17 and 60,395.54 is: 83,346.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,836.30 : 141,915.17 = 60,395.54 : x
  2. Step 2: Convert to fraction form
    102,836.30/141,915.17 = 60,395.54/x
  3. Step 3: Cross multiply
    102,836.30x = 141,915.17 × 60,395.54
  4. Step 4: Simplify right side
    102,836.30x = 8,571,042,767.75
  5. Step 5: Solve for x
    x = 8,571,042,767.75/102,836.30
  6. Step 6: Final answer
    x = 83,346.48

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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.