Home / 132,240.08-198,334.20-38,720.72

Finding the Fourth Proportional to 132,240.08, 198,334.20 and 38,720.72

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Solution

The fourth proportional to 132,240.08, 198,334.20 and 38,720.72 is: 58,073.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,240.08 : 198,334.20 = 38,720.72 : x
  2. Step 2: Convert to fraction form
    132,240.08/198,334.20 = 38,720.72/x
  3. Step 3: Cross multiply
    132,240.08x = 198,334.20 × 38,720.72
  4. Step 4: Simplify right side
    132,240.08x = 7,679,643,024.62
  5. Step 5: Solve for x
    x = 7,679,643,024.62/132,240.08
  6. Step 6: Final answer
    x = 58,073.49

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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.