Home / 181,505.61-272,272.82-55,156.88

Finding the Fourth Proportional to 181,505.61, 272,272.82 and 55,156.88

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Solution

The fourth proportional to 181,505.61, 272,272.82 and 55,156.88 is: 82,739.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,505.61 : 272,272.82 = 55,156.88 : x
  2. Step 2: Convert to fraction form
    181,505.61/272,272.82 = 55,156.88/x
  3. Step 3: Cross multiply
    181,505.61x = 272,272.82 × 55,156.88
  4. Step 4: Simplify right side
    181,505.61x = 15,017,717,622.85
  5. Step 5: Solve for x
    x = 15,017,717,622.85/181,505.61
  6. Step 6: Final answer
    x = 82,739.69

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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.