Home / 96,873.30-145,231.54-30,279.15

Finding the Fourth Proportional to 96,873.30, 145,231.54 and 30,279.15

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Solution

The fourth proportional to 96,873.30, 145,231.54 and 30,279.15 is: 45,394.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,873.30 : 145,231.54 = 30,279.15 : x
  2. Step 2: Convert to fraction form
    96,873.30/145,231.54 = 30,279.15/x
  3. Step 3: Cross multiply
    96,873.30x = 145,231.54 × 30,279.15
  4. Step 4: Simplify right side
    96,873.30x = 4,397,487,584.39
  5. Step 5: Solve for x
    x = 4,397,487,584.39/96,873.30
  6. Step 6: Final answer
    x = 45,394.22

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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.