Home / 181,531.47-272,261.23-172,529.87

Finding the Fourth Proportional to 181,531.47, 272,261.23 and 172,529.87

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Solution

The fourth proportional to 181,531.47, 272,261.23 and 172,529.87 is: 258,760.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,531.47 : 272,261.23 = 172,529.87 : x
  2. Step 2: Convert to fraction form
    181,531.47/272,261.23 = 172,529.87/x
  3. Step 3: Cross multiply
    181,531.47x = 272,261.23 × 172,529.87
  4. Step 4: Simplify right side
    181,531.47x = 46,973,194,867.27
  5. Step 5: Solve for x
    x = 46,973,194,867.27/181,531.47
  6. Step 6: Final answer
    x = 258,760.62

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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.