Home / 141,821.12-195,713.13-85,232.49

Finding the Fourth Proportional to 141,821.12, 195,713.13 and 85,232.49

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Solution

The fourth proportional to 141,821.12, 195,713.13 and 85,232.49 is: 117,620.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,821.12 : 195,713.13 = 85,232.49 : x
  2. Step 2: Convert to fraction form
    141,821.12/195,713.13 = 85,232.49/x
  3. Step 3: Cross multiply
    141,821.12x = 195,713.13 × 85,232.49
  4. Step 4: Simplify right side
    141,821.12x = 16,681,117,395.59
  5. Step 5: Solve for x
    x = 16,681,117,395.59/141,821.12
  6. Step 6: Final answer
    x = 117,620.83

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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.