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Finding the Fourth Proportional to 155,250.82, 214,268.82 and 87,273.39

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Solution

The fourth proportional to 155,250.82, 214,268.82 and 87,273.39 is: 120,450.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,250.82 : 214,268.82 = 87,273.39 : x
  2. Step 2: Convert to fraction form
    155,250.82/214,268.82 = 87,273.39/x
  3. Step 3: Cross multiply
    155,250.82x = 214,268.82 × 87,273.39
  4. Step 4: Simplify right side
    155,250.82x = 18,699,966,396.90
  5. Step 5: Solve for x
    x = 18,699,966,396.90/155,250.82
  6. Step 6: Final answer
    x = 120,450.03

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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.