Home / 165,038.12-227,757.30-89,591.48

Finding the Fourth Proportional to 165,038.12, 227,757.30 and 89,591.48

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Solution

The fourth proportional to 165,038.12, 227,757.30 and 89,591.48 is: 123,638.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,038.12 : 227,757.30 = 89,591.48 : x
  2. Step 2: Convert to fraction form
    165,038.12/227,757.30 = 89,591.48/x
  3. Step 3: Cross multiply
    165,038.12x = 227,757.30 × 89,591.48
  4. Step 4: Simplify right side
    165,038.12x = 20,405,113,587.80
  5. Step 5: Solve for x
    x = 20,405,113,587.80/165,038.12
  6. Step 6: Final answer
    x = 123,638.79

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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.