Home / 181,446.96-272,077.20-81,521.52

Finding the Fourth Proportional to 181,446.96, 272,077.20 and 81,521.52

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Solution

The fourth proportional to 181,446.96, 272,077.20 and 81,521.52 is: 122,240.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,446.96 : 272,077.20 = 81,521.52 : x
  2. Step 2: Convert to fraction form
    181,446.96/272,077.20 = 81,521.52/x
  3. Step 3: Cross multiply
    181,446.96x = 272,077.20 × 81,521.52
  4. Step 4: Simplify right side
    181,446.96x = 22,180,146,901.34
  5. Step 5: Solve for x
    x = 22,180,146,901.34/181,446.96
  6. Step 6: Final answer
    x = 122,240.39

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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.