Home / 181,493.30-271,721.55-162,830.90

Finding the Fourth Proportional to 181,493.30, 271,721.55 and 162,830.90

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Solution

The fourth proportional to 181,493.30, 271,721.55 and 162,830.90 is: 243,781.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,493.30 : 271,721.55 = 162,830.90 : x
  2. Step 2: Convert to fraction form
    181,493.30/271,721.55 = 162,830.90/x
  3. Step 3: Cross multiply
    181,493.30x = 271,721.55 × 162,830.90
  4. Step 4: Simplify right side
    181,493.30x = 44,244,664,535.90
  5. Step 5: Solve for x
    x = 44,244,664,535.90/181,493.30
  6. Step 6: Final answer
    x = 243,781.26

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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.