Home / 172,766.28-258,716.46-109,395.24

Finding the Fourth Proportional to 172,766.28, 258,716.46 and 109,395.24

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Solution

The fourth proportional to 172,766.28, 258,716.46 and 109,395.24 is: 163,818.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,766.28 : 258,716.46 = 109,395.24 : x
  2. Step 2: Convert to fraction form
    172,766.28/258,716.46 = 109,395.24/x
  3. Step 3: Cross multiply
    172,766.28x = 258,716.46 × 109,395.24
  4. Step 4: Simplify right side
    172,766.28x = 28,302,349,233.65
  5. Step 5: Solve for x
    x = 28,302,349,233.65/172,766.28
  6. Step 6: Final answer
    x = 163,818.71

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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.