Home / 165,009.29-227,712.76-89,557.79

Finding the Fourth Proportional to 165,009.29, 227,712.76 and 89,557.79

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Solution

The fourth proportional to 165,009.29, 227,712.76 and 89,557.79 is: 123,589.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,009.29 : 227,712.76 = 89,557.79 : x
  2. Step 2: Convert to fraction form
    165,009.29/227,712.76 = 89,557.79/x
  3. Step 3: Cross multiply
    165,009.29x = 227,712.76 × 89,557.79
  4. Step 4: Simplify right side
    165,009.29x = 20,393,450,177.94
  5. Step 5: Solve for x
    x = 20,393,450,177.94/165,009.29
  6. Step 6: Final answer
    x = 123,589.71

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1.5x scale

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.