Home / 94,221.20-141,331.80-31,891.70

Finding the Fourth Proportional to 94,221.20, 141,331.80 and 31,891.70

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Solution

The fourth proportional to 94,221.20, 141,331.80 and 31,891.70 is: 47,837.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,221.20 : 141,331.80 = 31,891.70 : x
  2. Step 2: Convert to fraction form
    94,221.20/141,331.80 = 31,891.70/x
  3. Step 3: Cross multiply
    94,221.20x = 141,331.80 × 31,891.70
  4. Step 4: Simplify right side
    94,221.20x = 4,507,311,366.06
  5. Step 5: Solve for x
    x = 4,507,311,366.06/94,221.20
  6. Step 6: Final answer
    x = 47,837.55

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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.