Home / 165,184.40-227,943.20-89,731.28

Finding the Fourth Proportional to 165,184.40, 227,943.20 and 89,731.28

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Solution

The fourth proportional to 165,184.40, 227,943.20 and 89,731.28 is: 123,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,184.40 : 227,943.20 = 89,731.28 : x
  2. Step 2: Convert to fraction form
    165,184.40/227,943.20 = 89,731.28/x
  3. Step 3: Cross multiply
    165,184.40x = 227,943.20 × 89,731.28
  4. Step 4: Simplify right side
    165,184.40x = 20,453,635,103.30
  5. Step 5: Solve for x
    x = 20,453,635,103.30/165,184.40
  6. Step 6: Final answer
    x = 123,823.04

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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.