Home / 218,163.14-301,059.15-122,667.38

Finding the Fourth Proportional to 218,163.14, 301,059.15 and 122,667.38

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Solution

The fourth proportional to 218,163.14, 301,059.15 and 122,667.38 is: 169,277.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,163.14 : 301,059.15 = 122,667.38 : x
  2. Step 2: Convert to fraction form
    218,163.14/301,059.15 = 122,667.38/x
  3. Step 3: Cross multiply
    218,163.14x = 301,059.15 × 122,667.38
  4. Step 4: Simplify right side
    218,163.14x = 36,930,137,155.53
  5. Step 5: Solve for x
    x = 36,930,137,155.53/218,163.14
  6. Step 6: Final answer
    x = 169,277.62

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1.5x scale

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.