Home / 180,942.69-270,984.98-143,381.97

Finding the Fourth Proportional to 180,942.69, 270,984.98 and 143,381.97

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Solution

The fourth proportional to 180,942.69, 270,984.98 and 143,381.97 is: 214,732.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,942.69 : 270,984.98 = 143,381.97 : x
  2. Step 2: Convert to fraction form
    180,942.69/270,984.98 = 143,381.97/x
  3. Step 3: Cross multiply
    180,942.69x = 270,984.98 × 143,381.97
  4. Step 4: Simplify right side
    180,942.69x = 38,854,360,272.81
  5. Step 5: Solve for x
    x = 38,854,360,272.81/180,942.69
  6. Step 6: Final answer
    x = 214,732.96

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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.