Home / 68,833.19-103,229.91-18,914.92

Finding the Fourth Proportional to 68,833.19, 103,229.91 and 18,914.92

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Solution

The fourth proportional to 68,833.19, 103,229.91 and 18,914.92 is: 28,366.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,833.19 : 103,229.91 = 18,914.92 : x
  2. Step 2: Convert to fraction form
    68,833.19/103,229.91 = 18,914.92/x
  3. Step 3: Cross multiply
    68,833.19x = 103,229.91 × 18,914.92
  4. Step 4: Simplify right side
    68,833.19x = 1,952,585,231.18
  5. Step 5: Solve for x
    x = 1,952,585,231.18/68,833.19
  6. Step 6: Final answer
    x = 28,366.91

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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.