Home / 129,924.20-195,032.10-100,472.60

Finding the Fourth Proportional to 129,924.20, 195,032.10 and 100,472.60

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Solution

The fourth proportional to 129,924.20, 195,032.10 and 100,472.60 is: 150,821.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,924.20 : 195,032.10 = 100,472.60 : x
  2. Step 2: Convert to fraction form
    129,924.20/195,032.10 = 100,472.60/x
  3. Step 3: Cross multiply
    129,924.20x = 195,032.10 × 100,472.60
  4. Step 4: Simplify right side
    129,924.20x = 19,595,382,170.46
  5. Step 5: Solve for x
    x = 19,595,382,170.46/129,924.20
  6. Step 6: Final answer
    x = 150,821.65

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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.