Home / 132,278.53-182,545.84-77,842.73

Finding the Fourth Proportional to 132,278.53, 182,545.84 and 77,842.73

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Solution

The fourth proportional to 132,278.53, 182,545.84 and 77,842.73 is: 107,423.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,278.53 : 182,545.84 = 77,842.73 : x
  2. Step 2: Convert to fraction form
    132,278.53/182,545.84 = 77,842.73/x
  3. Step 3: Cross multiply
    132,278.53x = 182,545.84 × 77,842.73
  4. Step 4: Simplify right side
    132,278.53x = 14,209,865,623.01
  5. Step 5: Solve for x
    x = 14,209,865,623.01/132,278.53
  6. Step 6: Final answer
    x = 107,423.83

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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.