Home / 131,239.44-196,890.51-42,493.04

Finding the Fourth Proportional to 131,239.44, 196,890.51 and 42,493.04

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Solution

The fourth proportional to 131,239.44, 196,890.51 and 42,493.04 is: 63,749.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,239.44 : 196,890.51 = 42,493.04 : x
  2. Step 2: Convert to fraction form
    131,239.44/196,890.51 = 42,493.04/x
  3. Step 3: Cross multiply
    131,239.44x = 196,890.51 × 42,493.04
  4. Step 4: Simplify right side
    131,239.44x = 8,366,476,317.05
  5. Step 5: Solve for x
    x = 8,366,476,317.05/131,239.44
  6. Step 6: Final answer
    x = 63,749.71

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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.