Home / 126,270.40-174,310.50-80,965.48

Finding the Fourth Proportional to 126,270.40, 174,310.50 and 80,965.48

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Solution

The fourth proportional to 126,270.40, 174,310.50 and 80,965.48 is: 111,769.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,270.40 : 174,310.50 = 80,965.48 : x
  2. Step 2: Convert to fraction form
    126,270.40/174,310.50 = 80,965.48/x
  3. Step 3: Cross multiply
    126,270.40x = 174,310.50 × 80,965.48
  4. Step 4: Simplify right side
    126,270.40x = 14,113,133,301.54
  5. Step 5: Solve for x
    x = 14,113,133,301.54/126,270.40
  6. Step 6: Final answer
    x = 111,769.13

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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.