Home / 106,169.79-159,255.92-42,143.65

Finding the Fourth Proportional to 106,169.79, 159,255.92 and 42,143.65

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Solution

The fourth proportional to 106,169.79, 159,255.92 and 42,143.65 is: 63,215.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,169.79 : 159,255.92 = 42,143.65 : x
  2. Step 2: Convert to fraction form
    106,169.79/159,255.92 = 42,143.65/x
  3. Step 3: Cross multiply
    106,169.79x = 159,255.92 × 42,143.65
  4. Step 4: Simplify right side
    106,169.79x = 6,711,625,752.91
  5. Step 5: Solve for x
    x = 6,711,625,752.91/106,169.79
  6. Step 6: Final answer
    x = 63,215.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.