Home / 181,147.20-271,396.80-87,446.40

Finding the Fourth Proportional to 181,147.20, 271,396.80 and 87,446.40

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Solution

The fourth proportional to 181,147.20, 271,396.80 and 87,446.40 is: 131,013.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,147.20 : 271,396.80 = 87,446.40 : x
  2. Step 2: Convert to fraction form
    181,147.20/271,396.80 = 87,446.40/x
  3. Step 3: Cross multiply
    181,147.20x = 271,396.80 × 87,446.40
  4. Step 4: Simplify right side
    181,147.20x = 23,732,673,131.52
  5. Step 5: Solve for x
    x = 23,732,673,131.52/181,147.20
  6. Step 6: Final answer
    x = 131,013.19

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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.