Home / 165,189.06-227,959.65-89,738.10

Finding the Fourth Proportional to 165,189.06, 227,959.65 and 89,738.10

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Solution

The fourth proportional to 165,189.06, 227,959.65 and 89,738.10 is: 123,837.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,189.06 : 227,959.65 = 89,738.10 : x
  2. Step 2: Convert to fraction form
    165,189.06/227,959.65 = 89,738.10/x
  3. Step 3: Cross multiply
    165,189.06x = 227,959.65 × 89,738.10
  4. Step 4: Simplify right side
    165,189.06x = 20,456,665,867.67
  5. Step 5: Solve for x
    x = 20,456,665,867.67/165,189.06
  6. Step 6: Final answer
    x = 123,837.90

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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.