Home / 95,122.82-142,690.38-31,940.40

Finding the Fourth Proportional to 95,122.82, 142,690.38 and 31,940.40

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Solution

The fourth proportional to 95,122.82, 142,690.38 and 31,940.40 is: 47,912.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,122.82 : 142,690.38 = 31,940.40 : x
  2. Step 2: Convert to fraction form
    95,122.82/142,690.38 = 31,940.40/x
  3. Step 3: Cross multiply
    95,122.82x = 142,690.38 × 31,940.40
  4. Step 4: Simplify right side
    95,122.82x = 4,557,587,813.35
  5. Step 5: Solve for x
    x = 4,557,587,813.35/95,122.82
  6. Step 6: Final answer
    x = 47,912.67

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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.