Home / 84,119.16-126,191.36-27,174.04

Finding the Fourth Proportional to 84,119.16, 126,191.36 and 27,174.04

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Solution

The fourth proportional to 84,119.16, 126,191.36 and 27,174.04 is: 40,765.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,119.16 : 126,191.36 = 27,174.04 : x
  2. Step 2: Convert to fraction form
    84,119.16/126,191.36 = 27,174.04/x
  3. Step 3: Cross multiply
    84,119.16x = 126,191.36 × 27,174.04
  4. Step 4: Simplify right side
    84,119.16x = 3,429,129,064.29
  5. Step 5: Solve for x
    x = 3,429,129,064.29/84,119.16
  6. Step 6: Final answer
    x = 40,765.14

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1.5x scale

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.