Home / 225,490.28-311,159.46-124,886.12

Finding the Fourth Proportional to 225,490.28, 311,159.46 and 124,886.12

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Solution

The fourth proportional to 225,490.28, 311,159.46 and 124,886.12 is: 172,333.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,490.28 : 311,159.46 = 124,886.12 : x
  2. Step 2: Convert to fraction form
    225,490.28/311,159.46 = 124,886.12/x
  3. Step 3: Cross multiply
    225,490.28x = 311,159.46 × 124,886.12
  4. Step 4: Simplify right side
    225,490.28x = 38,859,497,660.70
  5. Step 5: Solve for x
    x = 38,859,497,660.70/225,490.28
  6. Step 6: Final answer
    x = 172,333.36

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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.