Home / 108,251.60-149,401.28-60,514.88

Finding the Fourth Proportional to 108,251.60, 149,401.28 and 60,514.88

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Solution

The fourth proportional to 108,251.60, 149,401.28 and 60,514.88 is: 83,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,251.60 : 149,401.28 = 60,514.88 : x
  2. Step 2: Convert to fraction form
    108,251.60/149,401.28 = 60,514.88/x
  3. Step 3: Cross multiply
    108,251.60x = 149,401.28 × 60,514.88
  4. Step 4: Simplify right side
    108,251.60x = 9,041,000,531.05
  5. Step 5: Solve for x
    x = 9,041,000,531.05/108,251.60
  6. Step 6: Final answer
    x = 83,518.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.