Home / 129,546.95-194,304.02-45,303.71

Finding the Fourth Proportional to 129,546.95, 194,304.02 and 45,303.71

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Solution

The fourth proportional to 129,546.95, 194,304.02 and 45,303.71 is: 67,949.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,546.95 : 194,304.02 = 45,303.71 : x
  2. Step 2: Convert to fraction form
    129,546.95/194,304.02 = 45,303.71/x
  3. Step 3: Cross multiply
    129,546.95x = 194,304.02 × 45,303.71
  4. Step 4: Simplify right side
    129,546.95x = 8,802,691,775.88
  5. Step 5: Solve for x
    x = 8,802,691,775.88/129,546.95
  6. Step 6: Final answer
    x = 67,949.82

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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.