Home / 115,001.32-172,447.40-40,112.37

Finding the Fourth Proportional to 115,001.32, 172,447.40 and 40,112.37

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Solution

The fourth proportional to 115,001.32, 172,447.40 and 40,112.37 is: 60,149.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,001.32 : 172,447.40 = 40,112.37 : x
  2. Step 2: Convert to fraction form
    115,001.32/172,447.40 = 40,112.37/x
  3. Step 3: Cross multiply
    115,001.32x = 172,447.40 × 40,112.37
  4. Step 4: Simplify right side
    115,001.32x = 6,917,273,914.34
  5. Step 5: Solve for x
    x = 6,917,273,914.34/115,001.32
  6. Step 6: Final answer
    x = 60,149.52

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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.