Home / 95,811.70-143,542.41-69,451.06

Finding the Fourth Proportional to 95,811.70, 143,542.41 and 69,451.06

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Solution

The fourth proportional to 95,811.70, 143,542.41 and 69,451.06 is: 104,049.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,811.70 : 143,542.41 = 69,451.06 : x
  2. Step 2: Convert to fraction form
    95,811.70/143,542.41 = 69,451.06/x
  3. Step 3: Cross multiply
    95,811.70x = 143,542.41 × 69,451.06
  4. Step 4: Simplify right side
    95,811.70x = 9,969,172,529.45
  5. Step 5: Solve for x
    x = 9,969,172,529.45/95,811.70
  6. Step 6: Final answer
    x = 104,049.64

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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.