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Finding the Fourth Proportional to 119,622.17, 179,379.92 and 63,449.49

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Solution

The fourth proportional to 119,622.17, 179,379.92 and 63,449.49 is: 95,145.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,622.17 : 179,379.92 = 63,449.49 : x
  2. Step 2: Convert to fraction form
    119,622.17/179,379.92 = 63,449.49/x
  3. Step 3: Cross multiply
    119,622.17x = 179,379.92 × 63,449.49
  4. Step 4: Simplify right side
    119,622.17x = 11,381,564,598.86
  5. Step 5: Solve for x
    x = 11,381,564,598.86/119,622.17
  6. Step 6: Final answer
    x = 95,145.95

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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.