Home / 120,626.91-180,887.79-40,649.97

Finding the Fourth Proportional to 120,626.91, 180,887.79 and 40,649.97

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Solution

The fourth proportional to 120,626.91, 180,887.79 and 40,649.97 is: 60,957.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,626.91 : 180,887.79 = 40,649.97 : x
  2. Step 2: Convert to fraction form
    120,626.91/180,887.79 = 40,649.97/x
  3. Step 3: Cross multiply
    120,626.91x = 180,887.79 × 40,649.97
  4. Step 4: Simplify right side
    120,626.91x = 7,353,083,236.87
  5. Step 5: Solve for x
    x = 7,353,083,236.87/120,626.91
  6. Step 6: Final answer
    x = 60,957.24

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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.