Home / 81,422.29-122,134.04-25,261.34

Finding the Fourth Proportional to 81,422.29, 122,134.04 and 25,261.34

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Solution

The fourth proportional to 81,422.29, 122,134.04 and 25,261.34 is: 37,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,422.29 : 122,134.04 = 25,261.34 : x
  2. Step 2: Convert to fraction form
    81,422.29/122,134.04 = 25,261.34/x
  3. Step 3: Cross multiply
    81,422.29x = 122,134.04 × 25,261.34
  4. Step 4: Simplify right side
    81,422.29x = 3,085,269,510.01
  5. Step 5: Solve for x
    x = 3,085,269,510.01/81,422.29
  6. Step 6: Final answer
    x = 37,892.20

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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.