Home / 104,520.38-144,618.11-91,119.53

Finding the Fourth Proportional to 104,520.38, 144,618.11 and 91,119.53

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Solution

The fourth proportional to 104,520.38, 144,618.11 and 91,119.53 is: 126,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,520.38 : 144,618.11 = 91,119.53 : x
  2. Step 2: Convert to fraction form
    104,520.38/144,618.11 = 91,119.53/x
  3. Step 3: Cross multiply
    104,520.38x = 144,618.11 × 91,119.53
  4. Step 4: Simplify right side
    104,520.38x = 13,177,534,460.33
  5. Step 5: Solve for x
    x = 13,177,534,460.33/104,520.38
  6. Step 6: Final answer
    x = 126,076.23

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1.5x scale

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.