Home / 87,530.97-131,296.46-69,918.33

Finding the Fourth Proportional to 87,530.97, 131,296.46 and 69,918.33

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Solution

The fourth proportional to 87,530.97, 131,296.46 and 69,918.33 is: 104,877.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,530.97 : 131,296.46 = 69,918.33 : x
  2. Step 2: Convert to fraction form
    87,530.97/131,296.46 = 69,918.33/x
  3. Step 3: Cross multiply
    87,530.97x = 131,296.46 × 69,918.33
  4. Step 4: Simplify right side
    87,530.97x = 9,180,029,218.11
  5. Step 5: Solve for x
    x = 9,180,029,218.11/87,530.97
  6. Step 6: Final answer
    x = 104,877.50

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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.