Home / 95,145.31-131,298.78-54,860.77

Finding the Fourth Proportional to 95,145.31, 131,298.78 and 54,860.77

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Solution

The fourth proportional to 95,145.31, 131,298.78 and 54,860.77 is: 75,706.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,145.31 : 131,298.78 = 54,860.77 : x
  2. Step 2: Convert to fraction form
    95,145.31/131,298.78 = 54,860.77/x
  3. Step 3: Cross multiply
    95,145.31x = 131,298.78 × 54,860.77
  4. Step 4: Simplify right side
    95,145.31x = 7,203,152,170.86
  5. Step 5: Solve for x
    x = 7,203,152,170.86/95,145.31
  6. Step 6: Final answer
    x = 75,706.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.