Home / 181,721.29-272,613.08-61,765.56

Finding the Fourth Proportional to 181,721.29, 272,613.08 and 61,765.56

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Solution

The fourth proportional to 181,721.29, 272,613.08 and 61,765.56 is: 92,658.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,721.29 : 272,613.08 = 61,765.56 : x
  2. Step 2: Convert to fraction form
    181,721.29/272,613.08 = 61,765.56/x
  3. Step 3: Cross multiply
    181,721.29x = 272,613.08 × 61,765.56
  4. Step 4: Simplify right side
    181,721.29x = 16,838,099,549.52
  5. Step 5: Solve for x
    x = 16,838,099,549.52/181,721.29
  6. Step 6: Final answer
    x = 92,658.93

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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.