Home / 199,324.89-275,070.51-108,680.13

Finding the Fourth Proportional to 199,324.89, 275,070.51 and 108,680.13

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Solution

The fourth proportional to 199,324.89, 275,070.51 and 108,680.13 is: 149,979.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,324.89 : 275,070.51 = 108,680.13 : x
  2. Step 2: Convert to fraction form
    199,324.89/275,070.51 = 108,680.13/x
  3. Step 3: Cross multiply
    199,324.89x = 275,070.51 × 108,680.13
  4. Step 4: Simplify right side
    199,324.89x = 29,894,698,785.97
  5. Step 5: Solve for x
    x = 29,894,698,785.97/199,324.89
  6. Step 6: Final answer
    x = 149,979.76

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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.