Home / 88,185.15-132,276.44-21,625.79

Finding the Fourth Proportional to 88,185.15, 132,276.44 and 21,625.79

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Solution

The fourth proportional to 88,185.15, 132,276.44 and 21,625.79 is: 32,438.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,185.15 : 132,276.44 = 21,625.79 : x
  2. Step 2: Convert to fraction form
    88,185.15/132,276.44 = 21,625.79/x
  3. Step 3: Cross multiply
    88,185.15x = 132,276.44 × 21,625.79
  4. Step 4: Simplify right side
    88,185.15x = 2,860,581,743.88
  5. Step 5: Solve for x
    x = 2,860,581,743.88/88,185.15
  6. Step 6: Final answer
    x = 32,438.36

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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.