Home / 125,199.83-187,760.10-40,940.53

Finding the Fourth Proportional to 125,199.83, 187,760.10 and 40,940.53

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Solution

The fourth proportional to 125,199.83, 187,760.10 and 40,940.53 is: 61,397.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,199.83 : 187,760.10 = 40,940.53 : x
  2. Step 2: Convert to fraction form
    125,199.83/187,760.10 = 40,940.53/x
  3. Step 3: Cross multiply
    125,199.83x = 187,760.10 × 40,940.53
  4. Step 4: Simplify right side
    125,199.83x = 7,686,998,006.85
  5. Step 5: Solve for x
    x = 7,686,998,006.85/125,199.83
  6. Step 6: Final answer
    x = 61,397.83

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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.