Home / 143,958.49-215,734.75-67,975.96

Finding the Fourth Proportional to 143,958.49, 215,734.75 and 67,975.96

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Solution

The fourth proportional to 143,958.49, 215,734.75 and 67,975.96 is: 101,868.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,958.49 : 215,734.75 = 67,975.96 : x
  2. Step 2: Convert to fraction form
    143,958.49/215,734.75 = 67,975.96/x
  3. Step 3: Cross multiply
    143,958.49x = 215,734.75 × 67,975.96
  4. Step 4: Simplify right side
    143,958.49x = 14,664,776,367.21
  5. Step 5: Solve for x
    x = 14,664,776,367.21/143,958.49
  6. Step 6: Final answer
    x = 101,868.09

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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.