Home / 225,844.89-311,643.48-130,382.34

Finding the Fourth Proportional to 225,844.89, 311,643.48 and 130,382.34

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Solution

The fourth proportional to 225,844.89, 311,643.48 and 130,382.34 is: 179,914.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,844.89 : 311,643.48 = 130,382.34 : x
  2. Step 2: Convert to fraction form
    225,844.89/311,643.48 = 130,382.34/x
  3. Step 3: Cross multiply
    225,844.89x = 311,643.48 × 130,382.34
  4. Step 4: Simplify right side
    225,844.89x = 40,632,806,168.14
  5. Step 5: Solve for x
    x = 40,632,806,168.14/225,844.89
  6. Step 6: Final answer
    x = 179,914.66

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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.