Home / 141,997.12-212,995.68-48,503.68

Finding the Fourth Proportional to 141,997.12, 212,995.68 and 48,503.68

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Solution

The fourth proportional to 141,997.12, 212,995.68 and 48,503.68 is: 72,755.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,997.12 : 212,995.68 = 48,503.68 : x
  2. Step 2: Convert to fraction form
    141,997.12/212,995.68 = 48,503.68/x
  3. Step 3: Cross multiply
    141,997.12x = 212,995.68 × 48,503.68
  4. Step 4: Simplify right side
    141,997.12x = 10,331,074,304.10
  5. Step 5: Solve for x
    x = 10,331,074,304.10/141,997.12
  6. Step 6: Final answer
    x = 72,755.52

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Similar ratio
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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.