Home / 94,225.20-141,337.80-81,394.80

Finding the Fourth Proportional to 94,225.20, 141,337.80 and 81,394.80

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Solution

The fourth proportional to 94,225.20, 141,337.80 and 81,394.80 is: 122,092.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,225.20 : 141,337.80 = 81,394.80 : x
  2. Step 2: Convert to fraction form
    94,225.20/141,337.80 = 81,394.80/x
  3. Step 3: Cross multiply
    94,225.20x = 141,337.80 × 81,394.80
  4. Step 4: Simplify right side
    94,225.20x = 11,504,161,963.44
  5. Step 5: Solve for x
    x = 11,504,161,963.44/94,225.20
  6. Step 6: Final answer
    x = 122,092.20

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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.