Home / 129,422.00-194,123.67-40,700.88

Finding the Fourth Proportional to 129,422.00, 194,123.67 and 40,700.88

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Solution

The fourth proportional to 129,422.00, 194,123.67 and 40,700.88 is: 61,048.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,422.00 : 194,123.67 = 40,700.88 : x
  2. Step 2: Convert to fraction form
    129,422.00/194,123.67 = 40,700.88/x
  3. Step 3: Cross multiply
    129,422.00x = 194,123.67 × 40,700.88
  4. Step 4: Simplify right side
    129,422.00x = 7,901,004,197.83
  5. Step 5: Solve for x
    x = 7,901,004,197.83/129,422.00
  6. Step 6: Final answer
    x = 61,048.39

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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.