Home / 165,100.25-227,838.35-89,648.75

Finding the Fourth Proportional to 165,100.25, 227,838.35 and 89,648.75

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Solution

The fourth proportional to 165,100.25, 227,838.35 and 89,648.75 is: 123,715.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,100.25 : 227,838.35 = 89,648.75 : x
  2. Step 2: Convert to fraction form
    165,100.25/227,838.35 = 89,648.75/x
  3. Step 3: Cross multiply
    165,100.25x = 227,838.35 × 89,648.75
  4. Step 4: Simplify right side
    165,100.25x = 20,425,423,279.56
  5. Step 5: Solve for x
    x = 20,425,423,279.56/165,100.25
  6. Step 6: Final answer
    x = 123,715.28

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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.