Home / 102,817.56-141,877.26-57,490.86

Finding the Fourth Proportional to 102,817.56, 141,877.26 and 57,490.86

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Solution

The fourth proportional to 102,817.56, 141,877.26 and 57,490.86 is: 79,331.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,817.56 : 141,877.26 = 57,490.86 : x
  2. Step 2: Convert to fraction form
    102,817.56/141,877.26 = 57,490.86/x
  3. Step 3: Cross multiply
    102,817.56x = 141,877.26 × 57,490.86
  4. Step 4: Simplify right side
    102,817.56x = 8,156,645,691.84
  5. Step 5: Solve for x
    x = 8,156,645,691.84/102,817.56
  6. Step 6: Final answer
    x = 79,331.25

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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.