Home / 226,919.28-313,146.02-124,942.61

Finding the Fourth Proportional to 226,919.28, 313,146.02 and 124,942.61

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Solution

The fourth proportional to 226,919.28, 313,146.02 and 124,942.61 is: 172,419.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,919.28 : 313,146.02 = 124,942.61 : x
  2. Step 2: Convert to fraction form
    226,919.28/313,146.02 = 124,942.61/x
  3. Step 3: Cross multiply
    226,919.28x = 313,146.02 × 124,942.61
  4. Step 4: Simplify right side
    226,919.28x = 39,125,280,970.84
  5. Step 5: Solve for x
    x = 39,125,280,970.84/226,919.28
  6. Step 6: Final answer
    x = 172,419.38

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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.