Home / 115,090.30-172,456.38-43,974.13

Finding the Fourth Proportional to 115,090.30, 172,456.38 and 43,974.13

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Solution

The fourth proportional to 115,090.30, 172,456.38 and 43,974.13 is: 65,892.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,090.30 : 172,456.38 = 43,974.13 : x
  2. Step 2: Convert to fraction form
    115,090.30/172,456.38 = 43,974.13/x
  3. Step 3: Cross multiply
    115,090.30x = 172,456.38 × 43,974.13
  4. Step 4: Simplify right side
    115,090.30x = 7,583,619,273.45
  5. Step 5: Solve for x
    x = 7,583,619,273.45/115,090.30
  6. Step 6: Final answer
    x = 65,892.78

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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.