Home / 181,282.67-271,830.60-81,357.20

Finding the Fourth Proportional to 181,282.67, 271,830.60 and 81,357.20

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Solution

The fourth proportional to 181,282.67, 271,830.60 and 81,357.20 is: 121,993.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,282.67 : 271,830.60 = 81,357.20 : x
  2. Step 2: Convert to fraction form
    181,282.67/271,830.60 = 81,357.20/x
  3. Step 3: Cross multiply
    181,282.67x = 271,830.60 × 81,357.20
  4. Step 4: Simplify right side
    181,282.67x = 22,115,377,169.90
  5. Step 5: Solve for x
    x = 22,115,377,169.90/181,282.67
  6. Step 6: Final answer
    x = 121,993.88

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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.