Home / 126,202.50-174,161.61-81,568.26

Finding the Fourth Proportional to 126,202.50, 174,161.61 and 81,568.26

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Solution

The fourth proportional to 126,202.50, 174,161.61 and 81,568.26 is: 112,565.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,202.50 : 174,161.61 = 81,568.26 : x
  2. Step 2: Convert to fraction form
    126,202.50/174,161.61 = 81,568.26/x
  3. Step 3: Cross multiply
    126,202.50x = 174,161.61 × 81,568.26
  4. Step 4: Simplify right side
    126,202.50x = 14,206,059,486.50
  5. Step 5: Solve for x
    x = 14,206,059,486.50/126,202.50
  6. Step 6: Final answer
    x = 112,565.59

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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.