Home / 115,375.59-172,940.27-52,189.11

Finding the Fourth Proportional to 115,375.59, 172,940.27 and 52,189.11

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Solution

The fourth proportional to 115,375.59, 172,940.27 and 52,189.11 is: 78,227.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,375.59 : 172,940.27 = 52,189.11 : x
  2. Step 2: Convert to fraction form
    115,375.59/172,940.27 = 52,189.11/x
  3. Step 3: Cross multiply
    115,375.59x = 172,940.27 × 52,189.11
  4. Step 4: Simplify right side
    115,375.59x = 9,025,598,513.51
  5. Step 5: Solve for x
    x = 9,025,598,513.51/115,375.59
  6. Step 6: Final answer
    x = 78,227.97

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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.