Home / 129,087.64-193,707.25-54,202.03

Finding the Fourth Proportional to 129,087.64, 193,707.25 and 54,202.03

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Solution

The fourth proportional to 129,087.64, 193,707.25 and 54,202.03 is: 81,334.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,087.64 : 193,707.25 = 54,202.03 : x
  2. Step 2: Convert to fraction form
    129,087.64/193,707.25 = 54,202.03/x
  3. Step 3: Cross multiply
    129,087.64x = 193,707.25 × 54,202.03
  4. Step 4: Simplify right side
    129,087.64x = 10,499,324,936.17
  5. Step 5: Solve for x
    x = 10,499,324,936.17/129,087.64
  6. Step 6: Final answer
    x = 81,334.86

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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.