Home / 234,933.12-352,320.70-85,142.05

Finding the Fourth Proportional to 234,933.12, 352,320.70 and 85,142.05

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Solution

The fourth proportional to 234,933.12, 352,320.70 and 85,142.05 is: 127,684.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,933.12 : 352,320.70 = 85,142.05 : x
  2. Step 2: Convert to fraction form
    234,933.12/352,320.70 = 85,142.05/x
  3. Step 3: Cross multiply
    234,933.12x = 352,320.70 × 85,142.05
  4. Step 4: Simplify right side
    234,933.12x = 29,997,304,680.98
  5. Step 5: Solve for x
    x = 29,997,304,680.98/234,933.12
  6. Step 6: Final answer
    x = 127,684.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.