Home / 85,132.12-127,717.68-25,968.88

Finding the Fourth Proportional to 85,132.12, 127,717.68 and 25,968.88

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Solution

The fourth proportional to 85,132.12, 127,717.68 and 25,968.88 is: 38,959.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,132.12 : 127,717.68 = 25,968.88 : x
  2. Step 2: Convert to fraction form
    85,132.12/127,717.68 = 25,968.88/x
  3. Step 3: Cross multiply
    85,132.12x = 127,717.68 × 25,968.88
  4. Step 4: Simplify right side
    85,132.12x = 3,316,685,105.80
  5. Step 5: Solve for x
    x = 3,316,685,105.80/85,132.12
  6. Step 6: Final answer
    x = 38,959.27

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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.