Home / 165,101.25-227,839.74-89,649.75

Finding the Fourth Proportional to 165,101.25, 227,839.74 and 89,649.75

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Solution

The fourth proportional to 165,101.25, 227,839.74 and 89,649.75 is: 123,716.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,101.25 : 227,839.74 = 89,649.75 : x
  2. Step 2: Convert to fraction form
    165,101.25/227,839.74 = 89,649.75/x
  3. Step 3: Cross multiply
    165,101.25x = 227,839.74 × 89,649.75
  4. Step 4: Simplify right side
    165,101.25x = 20,425,775,731.07
  5. Step 5: Solve for x
    x = 20,425,775,731.07/165,101.25
  6. Step 6: Final answer
    x = 123,716.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.