Home / 141,490.11-195,247.64-81,046.89

Finding the Fourth Proportional to 141,490.11, 195,247.64 and 81,046.89

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Solution

The fourth proportional to 141,490.11, 195,247.64 and 81,046.89 is: 111,839.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,490.11 : 195,247.64 = 81,046.89 : x
  2. Step 2: Convert to fraction form
    141,490.11/195,247.64 = 81,046.89/x
  3. Step 3: Cross multiply
    141,490.11x = 195,247.64 × 81,046.89
  4. Step 4: Simplify right side
    141,490.11x = 15,824,213,596.61
  5. Step 5: Solve for x
    x = 15,824,213,596.61/141,490.11
  6. Step 6: Final answer
    x = 111,839.72

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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.