Home / 109,397.35-150,996.43-71,251.95

Finding the Fourth Proportional to 109,397.35, 150,996.43 and 71,251.95

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Solution

The fourth proportional to 109,397.35, 150,996.43 and 71,251.95 is: 98,345.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,397.35 : 150,996.43 = 71,251.95 : x
  2. Step 2: Convert to fraction form
    109,397.35/150,996.43 = 71,251.95/x
  3. Step 3: Cross multiply
    109,397.35x = 150,996.43 × 71,251.95
  4. Step 4: Simplify right side
    109,397.35x = 10,758,790,080.54
  5. Step 5: Solve for x
    x = 10,758,790,080.54/109,397.35
  6. Step 6: Final answer
    x = 98,345.98

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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.