Home / 225,734.88-311,433.84-130,265.76

Finding the Fourth Proportional to 225,734.88, 311,433.84 and 130,265.76

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Solution

The fourth proportional to 225,734.88, 311,433.84 and 130,265.76 is: 179,720.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,734.88 : 311,433.84 = 130,265.76 : x
  2. Step 2: Convert to fraction form
    225,734.88/311,433.84 = 130,265.76/x
  3. Step 3: Cross multiply
    225,734.88x = 311,433.84 × 130,265.76
  4. Step 4: Simplify right side
    225,734.88x = 40,569,165,857.32
  5. Step 5: Solve for x
    x = 40,569,165,857.32/225,734.88
  6. Step 6: Final answer
    x = 179,720.41

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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.