Home / 126,147.29-173,902.41-99,243.14

Finding the Fourth Proportional to 126,147.29, 173,902.41 and 99,243.14

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Solution

The fourth proportional to 126,147.29, 173,902.41 and 99,243.14 is: 136,813.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,147.29 : 173,902.41 = 99,243.14 : x
  2. Step 2: Convert to fraction form
    126,147.29/173,902.41 = 99,243.14/x
  3. Step 3: Cross multiply
    126,147.29x = 173,902.41 × 99,243.14
  4. Step 4: Simplify right side
    126,147.29x = 17,258,621,221.97
  5. Step 5: Solve for x
    x = 17,258,621,221.97/126,147.29
  6. Step 6: Final answer
    x = 136,813.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.