Home / 120,591.52-180,884.46-31,851.22

Finding the Fourth Proportional to 120,591.52, 180,884.46 and 31,851.22

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Solution

The fourth proportional to 120,591.52, 180,884.46 and 31,851.22 is: 47,776.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,591.52 : 180,884.46 = 31,851.22 : x
  2. Step 2: Convert to fraction form
    120,591.52/180,884.46 = 31,851.22/x
  3. Step 3: Cross multiply
    120,591.52x = 180,884.46 × 31,851.22
  4. Step 4: Simplify right side
    120,591.52x = 5,761,390,730.04
  5. Step 5: Solve for x
    x = 5,761,390,730.04/120,591.52
  6. Step 6: Final answer
    x = 47,776.09

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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.