Home / 129,065.40-193,522.92-50,087.36

Finding the Fourth Proportional to 129,065.40, 193,522.92 and 50,087.36

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Solution

The fourth proportional to 129,065.40, 193,522.92 and 50,087.36 is: 75,101.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,065.40 : 193,522.92 = 50,087.36 : x
  2. Step 2: Convert to fraction form
    129,065.40/193,522.92 = 50,087.36/x
  3. Step 3: Cross multiply
    129,065.40x = 193,522.92 × 50,087.36
  4. Step 4: Simplify right side
    129,065.40x = 9,693,052,740.01
  5. Step 5: Solve for x
    x = 9,693,052,740.01/129,065.40
  6. Step 6: Final answer
    x = 75,101.87

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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.