Home / 88,008.25-131,895.74-73,311.61

Finding the Fourth Proportional to 88,008.25, 131,895.74 and 73,311.61

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Solution

The fourth proportional to 88,008.25, 131,895.74 and 73,311.61 is: 109,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,008.25 : 131,895.74 = 73,311.61 : x
  2. Step 2: Convert to fraction form
    88,008.25/131,895.74 = 73,311.61/x
  3. Step 3: Cross multiply
    88,008.25x = 131,895.74 × 73,311.61
  4. Step 4: Simplify right side
    88,008.25x = 9,669,488,684.98
  5. Step 5: Solve for x
    x = 9,669,488,684.98/88,008.25
  6. Step 6: Final answer
    x = 109,870.25

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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.