Home / 225,820.94-311,543.98-130,309.18

Finding the Fourth Proportional to 225,820.94, 311,543.98 and 130,309.18

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Solution

The fourth proportional to 225,820.94, 311,543.98 and 130,309.18 is: 179,775.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,820.94 : 311,543.98 = 130,309.18 : x
  2. Step 2: Convert to fraction form
    225,820.94/311,543.98 = 130,309.18/x
  3. Step 3: Cross multiply
    225,820.94x = 311,543.98 × 130,309.18
  4. Step 4: Simplify right side
    225,820.94x = 40,597,039,463.10
  5. Step 5: Solve for x
    x = 40,597,039,463.10/225,820.94
  6. Step 6: Final answer
    x = 179,775.36

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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.