Home / 199,641.27-275,629.31-127,085.12

Finding the Fourth Proportional to 199,641.27, 275,629.31 and 127,085.12

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Solution

The fourth proportional to 199,641.27, 275,629.31 and 127,085.12 is: 175,456.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,641.27 : 275,629.31 = 127,085.12 : x
  2. Step 2: Convert to fraction form
    199,641.27/275,629.31 = 127,085.12/x
  3. Step 3: Cross multiply
    199,641.27x = 275,629.31 × 127,085.12
  4. Step 4: Simplify right side
    199,641.27x = 35,028,381,923.30
  5. Step 5: Solve for x
    x = 35,028,381,923.30/199,641.27
  6. Step 6: Final answer
    x = 175,456.62

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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.