Home / 133,983.82-200,667.66-74,688.18

Finding the Fourth Proportional to 133,983.82, 200,667.66 and 74,688.18

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Solution

The fourth proportional to 133,983.82, 200,667.66 and 74,688.18 is: 111,860.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,983.82 : 200,667.66 = 74,688.18 : x
  2. Step 2: Convert to fraction form
    133,983.82/200,667.66 = 74,688.18/x
  3. Step 3: Cross multiply
    133,983.82x = 200,667.66 × 74,688.18
  4. Step 4: Simplify right side
    133,983.82x = 14,987,502,310.26
  5. Step 5: Solve for x
    x = 14,987,502,310.26/133,983.82
  6. Step 6: Final answer
    x = 111,860.54

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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.