Home / 120,043.14-180,177.72-60,921.24

Finding the Fourth Proportional to 120,043.14, 180,177.72 and 60,921.24

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Solution

The fourth proportional to 120,043.14, 180,177.72 and 60,921.24 is: 91,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,043.14 : 180,177.72 = 60,921.24 : x
  2. Step 2: Convert to fraction form
    120,043.14/180,177.72 = 60,921.24/x
  3. Step 3: Cross multiply
    120,043.14x = 180,177.72 × 60,921.24
  4. Step 4: Simplify right side
    120,043.14x = 10,976,650,122.77
  5. Step 5: Solve for x
    x = 10,976,650,122.77/120,043.14
  6. Step 6: Final answer
    x = 91,439.21

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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.