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Finding the Fourth Proportional to 181,834.62, 272,818.89 and 76,642.62

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Solution

The fourth proportional to 181,834.62, 272,818.89 and 76,642.62 is: 114,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,834.62 : 272,818.89 = 76,642.62 : x
  2. Step 2: Convert to fraction form
    181,834.62/272,818.89 = 76,642.62/x
  3. Step 3: Cross multiply
    181,834.62x = 272,818.89 × 76,642.62
  4. Step 4: Simplify right side
    181,834.62x = 20,909,554,515.09
  5. Step 5: Solve for x
    x = 20,909,554,515.09/181,834.62
  6. Step 6: Final answer
    x = 114,992.15

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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.