Home / 165,049.12-227,772.48-89,602.56

Finding the Fourth Proportional to 165,049.12, 227,772.48 and 89,602.56

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Solution

The fourth proportional to 165,049.12, 227,772.48 and 89,602.56 is: 123,654.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,049.12 : 227,772.48 = 89,602.56 : x
  2. Step 2: Convert to fraction form
    165,049.12/227,772.48 = 89,602.56/x
  3. Step 3: Cross multiply
    165,049.12x = 227,772.48 × 89,602.56
  4. Step 4: Simplify right side
    165,049.12x = 20,408,997,305.55
  5. Step 5: Solve for x
    x = 20,408,997,305.55/165,049.12
  6. Step 6: Final answer
    x = 123,654.08

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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.