Home / 129,331.56-194,028.30-40,584.90

Finding the Fourth Proportional to 129,331.56, 194,028.30 and 40,584.90

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Solution

The fourth proportional to 129,331.56, 194,028.30 and 40,584.90 is: 60,887.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,331.56 : 194,028.30 = 40,584.90 : x
  2. Step 2: Convert to fraction form
    129,331.56/194,028.30 = 40,584.90/x
  3. Step 3: Cross multiply
    129,331.56x = 194,028.30 × 40,584.90
  4. Step 4: Simplify right side
    129,331.56x = 7,874,619,152.67
  5. Step 5: Solve for x
    x = 7,874,619,152.67/129,331.56
  6. Step 6: Final answer
    x = 60,887.07

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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.