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Finding the Fourth Proportional to 143,112.96, 214,670.17 and 83,907.11

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Solution

The fourth proportional to 143,112.96, 214,670.17 and 83,907.11 is: 125,861.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,112.96 : 214,670.17 = 83,907.11 : x
  2. Step 2: Convert to fraction form
    143,112.96/214,670.17 = 83,907.11/x
  3. Step 3: Cross multiply
    143,112.96x = 214,670.17 × 83,907.11
  4. Step 4: Simplify right side
    143,112.96x = 18,012,352,704.33
  5. Step 5: Solve for x
    x = 18,012,352,704.33/143,112.96
  6. Step 6: Final answer
    x = 125,861.09

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1.5x scale

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.