Home / 225,968.42-311,846.19-135,339.14

Finding the Fourth Proportional to 225,968.42, 311,846.19 and 135,339.14

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Solution

The fourth proportional to 225,968.42, 311,846.19 and 135,339.14 is: 186,773.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,968.42 : 311,846.19 = 135,339.14 : x
  2. Step 2: Convert to fraction form
    225,968.42/311,846.19 = 135,339.14/x
  3. Step 3: Cross multiply
    225,968.42x = 311,846.19 × 135,339.14
  4. Step 4: Simplify right side
    225,968.42x = 42,204,995,166.88
  5. Step 5: Solve for x
    x = 42,204,995,166.88/225,968.42
  6. Step 6: Final answer
    x = 186,773.86

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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.