Home / 125,170-187,796.90-40,934.04

Finding the Fourth Proportional to 125,170, 187,796.90 and 40,934.04

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Solution

The fourth proportional to 125,170, 187,796.90 and 40,934.04 is: 61,414.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,170 : 187,796.90 = 40,934.04 : x
  2. Step 2: Convert to fraction form
    125,170/187,796.90 = 40,934.04/x
  3. Step 3: Cross multiply
    125,170x = 187,796.90 × 40,934.04
  4. Step 4: Simplify right side
    125,170x = 7,687,285,816.48
  5. Step 5: Solve for x
    x = 7,687,285,816.48/125,170
  6. Step 6: Final answer
    x = 61,414.76

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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.