Home / 178,565.83-267,845.80-71,947.19

Finding the Fourth Proportional to 178,565.83, 267,845.80 and 71,947.19

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Solution

The fourth proportional to 178,565.83, 267,845.80 and 71,947.19 is: 107,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,565.83 : 267,845.80 = 71,947.19 : x
  2. Step 2: Convert to fraction form
    178,565.83/267,845.80 = 71,947.19/x
  3. Step 3: Cross multiply
    178,565.83x = 267,845.80 × 71,947.19
  4. Step 4: Simplify right side
    178,565.83x = 19,270,751,882.49
  5. Step 5: Solve for x
    x = 19,270,751,882.49/178,565.83
  6. Step 6: Final answer
    x = 107,919.59

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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.