Home / 120,092.54-180,077.66-40,101.74

Finding the Fourth Proportional to 120,092.54, 180,077.66 and 40,101.74

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Solution

The fourth proportional to 120,092.54, 180,077.66 and 40,101.74 is: 60,132.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,092.54 : 180,077.66 = 40,101.74 : x
  2. Step 2: Convert to fraction form
    120,092.54/180,077.66 = 40,101.74/x
  3. Step 3: Cross multiply
    120,092.54x = 180,077.66 × 40,101.74
  4. Step 4: Simplify right side
    120,092.54x = 7,221,427,300.62
  5. Step 5: Solve for x
    x = 7,221,427,300.62/120,092.54
  6. Step 6: Final answer
    x = 60,132.19

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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.