Home / 129,126.42-193,700.82-35,632.20

Finding the Fourth Proportional to 129,126.42, 193,700.82 and 35,632.20

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Solution

The fourth proportional to 129,126.42, 193,700.82 and 35,632.20 is: 53,451.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,126.42 : 193,700.82 = 35,632.20 : x
  2. Step 2: Convert to fraction form
    129,126.42/193,700.82 = 35,632.20/x
  3. Step 3: Cross multiply
    129,126.42x = 193,700.82 × 35,632.20
  4. Step 4: Simplify right side
    129,126.42x = 6,901,986,358.40
  5. Step 5: Solve for x
    x = 6,901,986,358.40/129,126.42
  6. Step 6: Final answer
    x = 53,451.39

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1.5x scale

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.