Home / 85,134.04-127,719.79-25,974.27

Finding the Fourth Proportional to 85,134.04, 127,719.79 and 25,974.27

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Solution

The fourth proportional to 85,134.04, 127,719.79 and 25,974.27 is: 38,967.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,134.04 : 127,719.79 = 25,974.27 : x
  2. Step 2: Convert to fraction form
    85,134.04/127,719.79 = 25,974.27/x
  3. Step 3: Cross multiply
    85,134.04x = 127,719.79 × 25,974.27
  4. Step 4: Simplify right side
    85,134.04x = 3,317,428,244.87
  5. Step 5: Solve for x
    x = 3,317,428,244.87/85,134.04
  6. Step 6: Final answer
    x = 38,967.12

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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.