Home / 226,098.28-312,014.86-124,121.20

Finding the Fourth Proportional to 226,098.28, 312,014.86 and 124,121.20

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Solution

The fourth proportional to 226,098.28, 312,014.86 and 124,121.20 is: 171,286.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,098.28 : 312,014.86 = 124,121.20 : x
  2. Step 2: Convert to fraction form
    226,098.28/312,014.86 = 124,121.20/x
  3. Step 3: Cross multiply
    226,098.28x = 312,014.86 × 124,121.20
  4. Step 4: Simplify right side
    226,098.28x = 38,727,658,220.43
  5. Step 5: Solve for x
    x = 38,727,658,220.43/226,098.28
  6. Step 6: Final answer
    x = 171,286.83

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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.