Home / 129,443.26-194,173.22-40,700.20

Finding the Fourth Proportional to 129,443.26, 194,173.22 and 40,700.20

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Solution

The fourth proportional to 129,443.26, 194,173.22 and 40,700.20 is: 61,052.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,443.26 : 194,173.22 = 40,700.20 : x
  2. Step 2: Convert to fraction form
    129,443.26/194,173.22 = 40,700.20/x
  3. Step 3: Cross multiply
    129,443.26x = 194,173.22 × 40,700.20
  4. Step 4: Simplify right side
    129,443.26x = 7,902,888,888.64
  5. Step 5: Solve for x
    x = 7,902,888,888.64/129,443.26
  6. Step 6: Final answer
    x = 61,052.92

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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.