Home / 129,292.67-193,959.66-45,077.06

Finding the Fourth Proportional to 129,292.67, 193,959.66 and 45,077.06

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Solution

The fourth proportional to 129,292.67, 193,959.66 and 45,077.06 is: 67,622.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,292.67 : 193,959.66 = 45,077.06 : x
  2. Step 2: Convert to fraction form
    129,292.67/193,959.66 = 45,077.06/x
  3. Step 3: Cross multiply
    129,292.67x = 193,959.66 × 45,077.06
  4. Step 4: Simplify right side
    129,292.67x = 8,743,131,231.40
  5. Step 5: Solve for x
    x = 8,743,131,231.40/129,292.67
  6. Step 6: Final answer
    x = 67,622.79

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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.