Home / 199,042.16-274,678.42-108,398.28

Finding the Fourth Proportional to 199,042.16, 274,678.42 and 108,398.28

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Solution

The fourth proportional to 199,042.16, 274,678.42 and 108,398.28 is: 149,589.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,042.16 : 274,678.42 = 108,398.28 : x
  2. Step 2: Convert to fraction form
    199,042.16/274,678.42 = 108,398.28/x
  3. Step 3: Cross multiply
    199,042.16x = 274,678.42 × 108,398.28
  4. Step 4: Simplify right side
    199,042.16x = 29,774,668,281.12
  5. Step 5: Solve for x
    x = 29,774,668,281.12/199,042.16
  6. Step 6: Final answer
    x = 149,589.76

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1.5x scale

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.