Home / 115,301.49-172,789.65-54,446.82

Finding the Fourth Proportional to 115,301.49, 172,789.65 and 54,446.82

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Solution

The fourth proportional to 115,301.49, 172,789.65 and 54,446.82 is: 81,593.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,301.49 : 172,789.65 = 54,446.82 : x
  2. Step 2: Convert to fraction form
    115,301.49/172,789.65 = 54,446.82/x
  3. Step 3: Cross multiply
    115,301.49x = 172,789.65 × 54,446.82
  4. Step 4: Simplify right side
    115,301.49x = 9,407,846,971.41
  5. Step 5: Solve for x
    x = 9,407,846,971.41/115,301.49
  6. Step 6: Final answer
    x = 81,593.46

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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.