Home / 138,533.96-207,546.60-123,591.08

Finding the Fourth Proportional to 138,533.96, 207,546.60 and 123,591.08

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Solution

The fourth proportional to 138,533.96, 207,546.60 and 123,591.08 is: 185,159.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,533.96 : 207,546.60 = 123,591.08 : x
  2. Step 2: Convert to fraction form
    138,533.96/207,546.60 = 123,591.08/x
  3. Step 3: Cross multiply
    138,533.96x = 207,546.60 × 123,591.08
  4. Step 4: Simplify right side
    138,533.96x = 25,650,908,444.33
  5. Step 5: Solve for x
    x = 25,650,908,444.33/138,533.96
  6. Step 6: Final answer
    x = 185,159.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.