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Finding the Fourth Proportional to 119,262.58, 178,891.13 and 49,141.89

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Solution

The fourth proportional to 119,262.58, 178,891.13 and 49,141.89 is: 73,711.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,262.58 : 178,891.13 = 49,141.89 : x
  2. Step 2: Convert to fraction form
    119,262.58/178,891.13 = 49,141.89/x
  3. Step 3: Cross multiply
    119,262.58x = 178,891.13 × 49,141.89
  4. Step 4: Simplify right side
    119,262.58x = 8,791,048,355.29
  5. Step 5: Solve for x
    x = 8,791,048,355.29/119,262.58
  6. Step 6: Final answer
    x = 73,711.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.