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Finding the Fourth Proportional to 149,486.92, 206,175.31 and 95,776.97

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Solution

The fourth proportional to 149,486.92, 206,175.31 and 95,776.97 is: 132,097.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,486.92 : 206,175.31 = 95,776.97 : x
  2. Step 2: Convert to fraction form
    149,486.92/206,175.31 = 95,776.97/x
  3. Step 3: Cross multiply
    149,486.92x = 206,175.31 × 95,776.97
  4. Step 4: Simplify right side
    149,486.92x = 19,746,845,210.29
  5. Step 5: Solve for x
    x = 19,746,845,210.29/149,486.92
  6. Step 6: Final answer
    x = 132,097.48

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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.