Home / 225,983.12-311,855.84-124,010.30

Finding the Fourth Proportional to 225,983.12, 311,855.84 and 124,010.30

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Solution

The fourth proportional to 225,983.12, 311,855.84 and 124,010.30 is: 171,133.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,983.12 : 311,855.84 = 124,010.30 : x
  2. Step 2: Convert to fraction form
    225,983.12/311,855.84 = 124,010.30/x
  3. Step 3: Cross multiply
    225,983.12x = 311,855.84 × 124,010.30
  4. Step 4: Simplify right side
    225,983.12x = 38,673,336,275.15
  5. Step 5: Solve for x
    x = 38,673,336,275.15/225,983.12
  6. Step 6: Final answer
    x = 171,133.74

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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.