Home / 225,927.06-311,523.69-144,145.86

Finding the Fourth Proportional to 225,927.06, 311,523.69 and 144,145.86

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Solution

The fourth proportional to 225,927.06, 311,523.69 and 144,145.86 is: 198,758.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,927.06 : 311,523.69 = 144,145.86 : x
  2. Step 2: Convert to fraction form
    225,927.06/311,523.69 = 144,145.86/x
  3. Step 3: Cross multiply
    225,927.06x = 311,523.69 × 144,145.86
  4. Step 4: Simplify right side
    225,927.06x = 44,904,850,205.42
  5. Step 5: Solve for x
    x = 44,904,850,205.42/225,927.06
  6. Step 6: Final answer
    x = 198,758.18

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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.