Home / 151,979.95-209,758.38-88,354.65

Finding the Fourth Proportional to 151,979.95, 209,758.38 and 88,354.65

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Solution

The fourth proportional to 151,979.95, 209,758.38 and 88,354.65 is: 121,944.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,979.95 : 209,758.38 = 88,354.65 : x
  2. Step 2: Convert to fraction form
    151,979.95/209,758.38 = 88,354.65/x
  3. Step 3: Cross multiply
    151,979.95x = 209,758.38 × 88,354.65
  4. Step 4: Simplify right side
    151,979.95x = 18,533,128,704.73
  5. Step 5: Solve for x
    x = 18,533,128,704.73/151,979.95
  6. Step 6: Final answer
    x = 121,944.56

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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.