Home / 95,969.37-143,669.75-71,121

Finding the Fourth Proportional to 95,969.37, 143,669.75 and 71,121

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Solution

The fourth proportional to 95,969.37, 143,669.75 and 71,121 is: 106,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,969.37 : 143,669.75 = 71,121 : x
  2. Step 2: Convert to fraction form
    95,969.37/143,669.75 = 71,121/x
  3. Step 3: Cross multiply
    95,969.37x = 143,669.75 × 71,121
  4. Step 4: Simplify right side
    95,969.37x = 10,217,935,934.15
  5. Step 5: Solve for x
    x = 10,217,935,934.15/95,969.37
  6. Step 6: Final answer
    x = 106,470.80

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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.