Home / 81,496.72-122,262.36-25,335.46

Finding the Fourth Proportional to 81,496.72, 122,262.36 and 25,335.46

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Solution

The fourth proportional to 81,496.72, 122,262.36 and 25,335.46 is: 38,008.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,496.72 : 122,262.36 = 25,335.46 : x
  2. Step 2: Convert to fraction form
    81,496.72/122,262.36 = 25,335.46/x
  3. Step 3: Cross multiply
    81,496.72x = 122,262.36 × 25,335.46
  4. Step 4: Simplify right side
    81,496.72x = 3,097,573,131.29
  5. Step 5: Solve for x
    x = 3,097,573,131.29/81,496.72
  6. Step 6: Final answer
    x = 38,008.56

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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.