Home / 225,748.32-311,527.92-125,144.16

Finding the Fourth Proportional to 225,748.32, 311,527.92 and 125,144.16

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Solution

The fourth proportional to 225,748.32, 311,527.92 and 125,144.16 is: 172,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,748.32 : 311,527.92 = 125,144.16 : x
  2. Step 2: Convert to fraction form
    225,748.32/311,527.92 = 125,144.16/x
  3. Step 3: Cross multiply
    225,748.32x = 311,527.92 × 125,144.16
  4. Step 4: Simplify right side
    225,748.32x = 38,985,899,864.95
  5. Step 5: Solve for x
    x = 38,985,899,864.95/225,748.32
  6. Step 6: Final answer
    x = 172,696.30

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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.