Home / 199,423.82-275,210.06-108,781.31

Finding the Fourth Proportional to 199,423.82, 275,210.06 and 108,781.31

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Solution

The fourth proportional to 199,423.82, 275,210.06 and 108,781.31 is: 150,121.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,423.82 : 275,210.06 = 108,781.31 : x
  2. Step 2: Convert to fraction form
    199,423.82/275,210.06 = 108,781.31/x
  3. Step 3: Cross multiply
    199,423.82x = 275,210.06 × 108,781.31
  4. Step 4: Simplify right side
    199,423.82x = 29,937,710,996.10
  5. Step 5: Solve for x
    x = 29,937,710,996.10/199,423.82
  6. Step 6: Final answer
    x = 150,121.04

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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.