Home / 141,211.10-194,872.68-77,550.26

Finding the Fourth Proportional to 141,211.10, 194,872.68 and 77,550.26

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Solution

The fourth proportional to 141,211.10, 194,872.68 and 77,550.26 is: 107,020.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,211.10 : 194,872.68 = 77,550.26 : x
  2. Step 2: Convert to fraction form
    141,211.10/194,872.68 = 77,550.26/x
  3. Step 3: Cross multiply
    141,211.10x = 194,872.68 × 77,550.26
  4. Step 4: Simplify right side
    141,211.10x = 15,112,427,000.90
  5. Step 5: Solve for x
    x = 15,112,427,000.90/141,211.10
  6. Step 6: Final answer
    x = 107,020.11

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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.