Home / 95,815.69-143,850.70-81,865.36

Finding the Fourth Proportional to 95,815.69, 143,850.70 and 81,865.36

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Solution

The fourth proportional to 95,815.69, 143,850.70 and 81,865.36 is: 122,906.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,815.69 : 143,850.70 = 81,865.36 : x
  2. Step 2: Convert to fraction form
    95,815.69/143,850.70 = 81,865.36/x
  3. Step 3: Cross multiply
    95,815.69x = 143,850.70 × 81,865.36
  4. Step 4: Simplify right side
    95,815.69x = 11,776,389,341.75
  5. Step 5: Solve for x
    x = 11,776,389,341.75/95,815.69
  6. Step 6: Final answer
    x = 122,906.69

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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.