Home / 88,226.82-131,406.30-87,796.71

Finding the Fourth Proportional to 88,226.82, 131,406.30 and 87,796.71

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Solution

The fourth proportional to 88,226.82, 131,406.30 and 87,796.71 is: 130,765.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,226.82 : 131,406.30 = 87,796.71 : x
  2. Step 2: Convert to fraction form
    88,226.82/131,406.30 = 87,796.71/x
  3. Step 3: Cross multiply
    88,226.82x = 131,406.30 × 87,796.71
  4. Step 4: Simplify right side
    88,226.82x = 11,537,040,813.27
  5. Step 5: Solve for x
    x = 11,537,040,813.27/88,226.82
  6. Step 6: Final answer
    x = 130,765.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.