Home / 181,213.20-271,676.16-86,393.52

Finding the Fourth Proportional to 181,213.20, 271,676.16 and 86,393.52

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Solution

The fourth proportional to 181,213.20, 271,676.16 and 86,393.52 is: 129,521.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,213.20 : 271,676.16 = 86,393.52 : x
  2. Step 2: Convert to fraction form
    181,213.20/271,676.16 = 86,393.52/x
  3. Step 3: Cross multiply
    181,213.20x = 271,676.16 × 86,393.52
  4. Step 4: Simplify right side
    181,213.20x = 23,471,059,762.48
  5. Step 5: Solve for x
    x = 23,471,059,762.48/181,213.20
  6. Step 6: Final answer
    x = 129,521.80

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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.