Home / 87,525.82-131,137.53-68,924.62

Finding the Fourth Proportional to 87,525.82, 131,137.53 and 68,924.62

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Solution

The fourth proportional to 87,525.82, 131,137.53 and 68,924.62 is: 103,267.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,525.82 : 131,137.53 = 68,924.62 : x
  2. Step 2: Convert to fraction form
    87,525.82/131,137.53 = 68,924.62/x
  3. Step 3: Cross multiply
    87,525.82x = 131,137.53 × 68,924.62
  4. Step 4: Simplify right side
    87,525.82x = 9,038,604,422.99
  5. Step 5: Solve for x
    x = 9,038,604,422.99/87,525.82
  6. Step 6: Final answer
    x = 103,267.86

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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.