Home / 181,614.54-272,418.87-81,704.07

Finding the Fourth Proportional to 181,614.54, 272,418.87 and 81,704.07

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Solution

The fourth proportional to 181,614.54, 272,418.87 and 81,704.07 is: 122,554.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,614.54 : 272,418.87 = 81,704.07 : x
  2. Step 2: Convert to fraction form
    181,614.54/272,418.87 = 81,704.07/x
  3. Step 3: Cross multiply
    181,614.54x = 272,418.87 × 81,704.07
  4. Step 4: Simplify right side
    181,614.54x = 22,257,730,423.80
  5. Step 5: Solve for x
    x = 22,257,730,423.80/181,614.54
  6. Step 6: Final answer
    x = 122,554.78

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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.