Home / 127,904.72-191,995.32-54,084.56

Finding the Fourth Proportional to 127,904.72, 191,995.32 and 54,084.56

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Solution

The fourth proportional to 127,904.72, 191,995.32 and 54,084.56 is: 81,185.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,904.72 : 191,995.32 = 54,084.56 : x
  2. Step 2: Convert to fraction form
    127,904.72/191,995.32 = 54,084.56/x
  3. Step 3: Cross multiply
    127,904.72x = 191,995.32 × 54,084.56
  4. Step 4: Simplify right side
    127,904.72x = 10,383,982,404.26
  5. Step 5: Solve for x
    x = 10,383,982,404.26/127,904.72
  6. Step 6: Final answer
    x = 81,185.29

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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.