Home / 225,822.20-311,612.19-130,359.65

Finding the Fourth Proportional to 225,822.20, 311,612.19 and 130,359.65

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Solution

The fourth proportional to 225,822.20, 311,612.19 and 130,359.65 is: 179,883.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,822.20 : 311,612.19 = 130,359.65 : x
  2. Step 2: Convert to fraction form
    225,822.20/311,612.19 = 130,359.65/x
  3. Step 3: Cross multiply
    225,822.20x = 311,612.19 × 130,359.65
  4. Step 4: Simplify right side
    225,822.20x = 40,621,656,024.13
  5. Step 5: Solve for x
    x = 40,621,656,024.13/225,822.20
  6. Step 6: Final answer
    x = 179,883.36

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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.