Home / 104,438.30-144,123.92-56,691.62

Finding the Fourth Proportional to 104,438.30, 144,123.92 and 56,691.62

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Solution

The fourth proportional to 104,438.30, 144,123.92 and 56,691.62 is: 78,233.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,438.30 : 144,123.92 = 56,691.62 : x
  2. Step 2: Convert to fraction form
    104,438.30/144,123.92 = 56,691.62/x
  3. Step 3: Cross multiply
    104,438.30x = 144,123.92 × 56,691.62
  4. Step 4: Simplify right side
    104,438.30x = 8,170,618,505.55
  5. Step 5: Solve for x
    x = 8,170,618,505.55/104,438.30
  6. Step 6: Final answer
    x = 78,233.93

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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.