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Finding the Fourth Proportional to 143,012.52, 214,520.27 and 43,173.54

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Solution

The fourth proportional to 143,012.52, 214,520.27 and 43,173.54 is: 64,760.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,012.52 : 214,520.27 = 43,173.54 : x
  2. Step 2: Convert to fraction form
    143,012.52/214,520.27 = 43,173.54/x
  3. Step 3: Cross multiply
    143,012.52x = 214,520.27 × 43,173.54
  4. Step 4: Simplify right side
    143,012.52x = 9,261,599,241.79
  5. Step 5: Solve for x
    x = 9,261,599,241.79/143,012.52
  6. Step 6: Final answer
    x = 64,760.76

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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.