Home / 95,437.20-143,119.32-31,380.42

Finding the Fourth Proportional to 95,437.20, 143,119.32 and 31,380.42

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Solution

The fourth proportional to 95,437.20, 143,119.32 and 31,380.42 is: 47,058.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,437.20 : 143,119.32 = 31,380.42 : x
  2. Step 2: Convert to fraction form
    95,437.20/143,119.32 = 31,380.42/x
  3. Step 3: Cross multiply
    95,437.20x = 143,119.32 × 31,380.42
  4. Step 4: Simplify right side
    95,437.20x = 4,491,144,371.71
  5. Step 5: Solve for x
    x = 4,491,144,371.71/95,437.20
  6. Step 6: Final answer
    x = 47,058.64

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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.