Home / 181,439.87-272,129.10-55,049.64

Finding the Fourth Proportional to 181,439.87, 272,129.10 and 55,049.64

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Solution

The fourth proportional to 181,439.87, 272,129.10 and 55,049.64 is: 82,565.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,439.87 : 272,129.10 = 55,049.64 : x
  2. Step 2: Convert to fraction form
    181,439.87/272,129.10 = 55,049.64/x
  3. Step 3: Cross multiply
    181,439.87x = 272,129.10 × 55,049.64
  4. Step 4: Simplify right side
    181,439.87x = 14,980,609,545.98
  5. Step 5: Solve for x
    x = 14,980,609,545.98/181,439.87
  6. Step 6: Final answer
    x = 82,565.15

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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.