Home / 102,304.43-141,131.22-79,487.27

Finding the Fourth Proportional to 102,304.43, 141,131.22 and 79,487.27

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Solution

The fourth proportional to 102,304.43, 141,131.22 and 79,487.27 is: 109,654.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,304.43 : 141,131.22 = 79,487.27 : x
  2. Step 2: Convert to fraction form
    102,304.43/141,131.22 = 79,487.27/x
  3. Step 3: Cross multiply
    102,304.43x = 141,131.22 × 79,487.27
  4. Step 4: Simplify right side
    102,304.43x = 11,218,135,389.57
  5. Step 5: Solve for x
    x = 11,218,135,389.57/102,304.43
  6. Step 6: Final answer
    x = 109,654.44

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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.