Home / 171,288.18-256,933.98-76,523.04

Finding the Fourth Proportional to 171,288.18, 256,933.98 and 76,523.04

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Solution

The fourth proportional to 171,288.18, 256,933.98 and 76,523.04 is: 114,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,288.18 : 256,933.98 = 76,523.04 : x
  2. Step 2: Convert to fraction form
    171,288.18/256,933.98 = 76,523.04/x
  3. Step 3: Cross multiply
    171,288.18x = 256,933.98 × 76,523.04
  4. Step 4: Simplify right side
    171,288.18x = 19,661,369,228.90
  5. Step 5: Solve for x
    x = 19,661,369,228.90/171,288.18
  6. Step 6: Final answer
    x = 114,785.32

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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.