Home / 225,534.12-311,087.16-145,063.44

Finding the Fourth Proportional to 225,534.12, 311,087.16 and 145,063.44

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Solution

The fourth proportional to 225,534.12, 311,087.16 and 145,063.44 is: 200,091.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,534.12 : 311,087.16 = 145,063.44 : x
  2. Step 2: Convert to fraction form
    225,534.12/311,087.16 = 145,063.44/x
  3. Step 3: Cross multiply
    225,534.12x = 311,087.16 × 145,063.44
  4. Step 4: Simplify right side
    225,534.12x = 45,127,373,569.43
  5. Step 5: Solve for x
    x = 45,127,373,569.43/225,534.12
  6. Step 6: Final answer
    x = 200,091.12

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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.