Home / 95,105.21-142,680.32-31,063.03

Finding the Fourth Proportional to 95,105.21, 142,680.32 and 31,063.03

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Solution

The fourth proportional to 95,105.21, 142,680.32 and 31,063.03 is: 46,601.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,105.21 : 142,680.32 = 31,063.03 : x
  2. Step 2: Convert to fraction form
    95,105.21/142,680.32 = 31,063.03/x
  3. Step 3: Cross multiply
    95,105.21x = 142,680.32 × 31,063.03
  4. Step 4: Simplify right side
    95,105.21x = 4,432,082,665.04
  5. Step 5: Solve for x
    x = 4,432,082,665.04/95,105.21
  6. Step 6: Final answer
    x = 46,601.89

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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.