Home / 81,456.82-122,204.36-25,294.04

Finding the Fourth Proportional to 81,456.82, 122,204.36 and 25,294.04

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Solution

The fourth proportional to 81,456.82, 122,204.36 and 25,294.04 is: 37,947.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,456.82 : 122,204.36 = 25,294.04 : x
  2. Step 2: Convert to fraction form
    81,456.82/122,204.36 = 25,294.04/x
  3. Step 3: Cross multiply
    81,456.82x = 122,204.36 × 25,294.04
  4. Step 4: Simplify right side
    81,456.82x = 3,091,041,970.01
  5. Step 5: Solve for x
    x = 3,091,041,970.01/81,456.82
  6. Step 6: Final answer
    x = 37,947.00

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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.