Home / 87,419.36-131,201.94-64,951.58

Finding the Fourth Proportional to 87,419.36, 131,201.94 and 64,951.58

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Solution

The fourth proportional to 87,419.36, 131,201.94 and 64,951.58 is: 97,481.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,419.36 : 131,201.94 = 64,951.58 : x
  2. Step 2: Convert to fraction form
    87,419.36/131,201.94 = 64,951.58/x
  3. Step 3: Cross multiply
    87,419.36x = 131,201.94 × 64,951.58
  4. Step 4: Simplify right side
    87,419.36x = 8,521,773,302.07
  5. Step 5: Solve for x
    x = 8,521,773,302.07/87,419.36
  6. Step 6: Final answer
    x = 97,481.53

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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.