Home / 129,555.69-194,359.66-54,675.92

Finding the Fourth Proportional to 129,555.69, 194,359.66 and 54,675.92

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Solution

The fourth proportional to 129,555.69, 194,359.66 and 54,675.92 is: 82,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,555.69 : 194,359.66 = 54,675.92 : x
  2. Step 2: Convert to fraction form
    129,555.69/194,359.66 = 54,675.92/x
  3. Step 3: Cross multiply
    129,555.69x = 194,359.66 × 54,675.92
  4. Step 4: Simplify right side
    129,555.69x = 10,626,792,112.90
  5. Step 5: Solve for x
    x = 10,626,792,112.90/129,555.69
  6. Step 6: Final answer
    x = 82,024.90

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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.