Home / 345,960.72-518,995.35-93,251.12

Finding the Fourth Proportional to 345,960.72, 518,995.35 and 93,251.12

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Solution

The fourth proportional to 345,960.72, 518,995.35 and 93,251.12 is: 139,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,960.72 : 518,995.35 = 93,251.12 : x
  2. Step 2: Convert to fraction form
    345,960.72/518,995.35 = 93,251.12/x
  3. Step 3: Cross multiply
    345,960.72x = 518,995.35 × 93,251.12
  4. Step 4: Simplify right side
    345,960.72x = 48,396,895,067.32
  5. Step 5: Solve for x
    x = 48,396,895,067.32/345,960.72
  6. Step 6: Final answer
    x = 139,891.30

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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.