Home / 137,366.40-206,049.60-97,708.80

Finding the Fourth Proportional to 137,366.40, 206,049.60 and 97,708.80

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Solution

The fourth proportional to 137,366.40, 206,049.60 and 97,708.80 is: 146,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,366.40 : 206,049.60 = 97,708.80 : x
  2. Step 2: Convert to fraction form
    137,366.40/206,049.60 = 97,708.80/x
  3. Step 3: Cross multiply
    137,366.40x = 206,049.60 × 97,708.80
  4. Step 4: Simplify right side
    137,366.40x = 20,132,859,156.48
  5. Step 5: Solve for x
    x = 20,132,859,156.48/137,366.40
  6. Step 6: Final answer
    x = 146,563.20

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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.