Home / 129,610.73-194,397.63-40,852.70

Finding the Fourth Proportional to 129,610.73, 194,397.63 and 40,852.70

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Solution

The fourth proportional to 129,610.73, 194,397.63 and 40,852.70 is: 61,273.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,610.73 : 194,397.63 = 40,852.70 : x
  2. Step 2: Convert to fraction form
    129,610.73/194,397.63 = 40,852.70/x
  3. Step 3: Cross multiply
    129,610.73x = 194,397.63 × 40,852.70
  4. Step 4: Simplify right side
    129,610.73x = 7,941,667,087.11
  5. Step 5: Solve for x
    x = 7,941,667,087.11/129,610.73
  6. Step 6: Final answer
    x = 61,273.22

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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.