Home / 80,045.01-120,148.76-40,092.62

Finding the Fourth Proportional to 80,045.01, 120,148.76 and 40,092.62

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Solution

The fourth proportional to 80,045.01, 120,148.76 and 40,092.62 is: 60,179.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,045.01 : 120,148.76 = 40,092.62 : x
  2. Step 2: Convert to fraction form
    80,045.01/120,148.76 = 40,092.62/x
  3. Step 3: Cross multiply
    80,045.01x = 120,148.76 × 40,092.62
  4. Step 4: Simplify right side
    80,045.01x = 4,817,079,128.98
  5. Step 5: Solve for x
    x = 4,817,079,128.98/80,045.01
  6. Step 6: Final answer
    x = 60,179.63

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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.