Home / 132,098.40-197,809.29-72,868.23

Finding the Fourth Proportional to 132,098.40, 197,809.29 and 72,868.23

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Solution

The fourth proportional to 132,098.40, 197,809.29 and 72,868.23 is: 109,115.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,098.40 : 197,809.29 = 72,868.23 : x
  2. Step 2: Convert to fraction form
    132,098.40/197,809.29 = 72,868.23/x
  3. Step 3: Cross multiply
    132,098.40x = 197,809.29 × 72,868.23
  4. Step 4: Simplify right side
    132,098.40x = 14,414,012,839.86
  5. Step 5: Solve for x
    x = 14,414,012,839.86/132,098.40
  6. Step 6: Final answer
    x = 109,115.73

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1.5x scale

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.