Home / 95,787.12-143,671.62-45,174.42

Finding the Fourth Proportional to 95,787.12, 143,671.62 and 45,174.42

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Solution

The fourth proportional to 95,787.12, 143,671.62 and 45,174.42 is: 67,757.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,787.12 : 143,671.62 = 45,174.42 : x
  2. Step 2: Convert to fraction form
    95,787.12/143,671.62 = 45,174.42/x
  3. Step 3: Cross multiply
    95,787.12x = 143,671.62 × 45,174.42
  4. Step 4: Simplify right side
    95,787.12x = 6,490,282,103.96
  5. Step 5: Solve for x
    x = 6,490,282,103.96/95,787.12
  6. Step 6: Final answer
    x = 67,757.36

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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.