Home / 119,945.93-165,524.31-66,229.79

Finding the Fourth Proportional to 119,945.93, 165,524.31 and 66,229.79

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Solution

The fourth proportional to 119,945.93, 165,524.31 and 66,229.79 is: 91,396.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,945.93 : 165,524.31 = 66,229.79 : x
  2. Step 2: Convert to fraction form
    119,945.93/165,524.31 = 66,229.79/x
  3. Step 3: Cross multiply
    119,945.93x = 165,524.31 × 66,229.79
  4. Step 4: Simplify right side
    119,945.93x = 10,962,639,463.57
  5. Step 5: Solve for x
    x = 10,962,639,463.57/119,945.93
  6. Step 6: Final answer
    x = 91,396.51

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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.