Home / 129,126.22-193,700.50-35,631.97

Finding the Fourth Proportional to 129,126.22, 193,700.50 and 35,631.97

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Solution

The fourth proportional to 129,126.22, 193,700.50 and 35,631.97 is: 53,451.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,126.22 : 193,700.50 = 35,631.97 : x
  2. Step 2: Convert to fraction form
    129,126.22/193,700.50 = 35,631.97/x
  3. Step 3: Cross multiply
    129,126.22x = 193,700.50 × 35,631.97
  4. Step 4: Simplify right side
    129,126.22x = 6,901,929,831.65
  5. Step 5: Solve for x
    x = 6,901,929,831.65/129,126.22
  6. Step 6: Final answer
    x = 53,451.03

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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.