Home / 139,934.20-209,901.30-132,352.60

Finding the Fourth Proportional to 139,934.20, 209,901.30 and 132,352.60

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Solution

The fourth proportional to 139,934.20, 209,901.30 and 132,352.60 is: 198,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,934.20 : 209,901.30 = 132,352.60 : x
  2. Step 2: Convert to fraction form
    139,934.20/209,901.30 = 132,352.60/x
  3. Step 3: Cross multiply
    139,934.20x = 209,901.30 × 132,352.60
  4. Step 4: Simplify right side
    139,934.20x = 27,780,982,798.38
  5. Step 5: Solve for x
    x = 27,780,982,798.38/139,934.20
  6. Step 6: Final answer
    x = 198,528.90

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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.