Home / 88,164.18-131,953.79-80,284.84

Finding the Fourth Proportional to 88,164.18, 131,953.79 and 80,284.84

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Solution

The fourth proportional to 88,164.18, 131,953.79 and 80,284.84 is: 120,160.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,164.18 : 131,953.79 = 80,284.84 : x
  2. Step 2: Convert to fraction form
    88,164.18/131,953.79 = 80,284.84/x
  3. Step 3: Cross multiply
    88,164.18x = 131,953.79 × 80,284.84
  4. Step 4: Simplify right side
    88,164.18x = 10,593,888,788.37
  5. Step 5: Solve for x
    x = 10,593,888,788.37/88,164.18
  6. Step 6: Final answer
    x = 120,160.92

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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.