Home / 225,684.28-311,436.66-130,188.52

Finding the Fourth Proportional to 225,684.28, 311,436.66 and 130,188.52

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Solution

The fourth proportional to 225,684.28, 311,436.66 and 130,188.52 is: 179,655.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,684.28 : 311,436.66 = 130,188.52 : x
  2. Step 2: Convert to fraction form
    225,684.28/311,436.66 = 130,188.52/x
  3. Step 3: Cross multiply
    225,684.28x = 311,436.66 × 130,188.52
  4. Step 4: Simplify right side
    225,684.28x = 40,545,477,839.14
  5. Step 5: Solve for x
    x = 40,545,477,839.14/225,684.28
  6. Step 6: Final answer
    x = 179,655.75

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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.