Home / 82,154.12-123,179.67-37,723.86

Finding the Fourth Proportional to 82,154.12, 123,179.67 and 37,723.86

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Solution

The fourth proportional to 82,154.12, 123,179.67 and 37,723.86 is: 56,562.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,154.12 : 123,179.67 = 37,723.86 : x
  2. Step 2: Convert to fraction form
    82,154.12/123,179.67 = 37,723.86/x
  3. Step 3: Cross multiply
    82,154.12x = 123,179.67 × 37,723.86
  4. Step 4: Simplify right side
    82,154.12x = 4,646,812,625.93
  5. Step 5: Solve for x
    x = 4,646,812,625.93/82,154.12
  6. Step 6: Final answer
    x = 56,562.14

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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.