Home / 102,416.67-141,327.79-57,092.65

Finding the Fourth Proportional to 102,416.67, 141,327.79 and 57,092.65

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Solution

The fourth proportional to 102,416.67, 141,327.79 and 57,092.65 is: 78,783.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,416.67 : 141,327.79 = 57,092.65 : x
  2. Step 2: Convert to fraction form
    102,416.67/141,327.79 = 57,092.65/x
  3. Step 3: Cross multiply
    102,416.67x = 141,327.79 × 57,092.65
  4. Step 4: Simplify right side
    102,416.67x = 8,068,777,553.69
  5. Step 5: Solve for x
    x = 8,068,777,553.69/102,416.67
  6. Step 6: Final answer
    x = 78,783.83

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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.