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Finding the Fourth Proportional to 143,310.48, 215,002.44 and 101,274

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Solution

The fourth proportional to 143,310.48, 215,002.44 and 101,274 is: 151,936.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,310.48 : 215,002.44 = 101,274 : x
  2. Step 2: Convert to fraction form
    143,310.48/215,002.44 = 101,274/x
  3. Step 3: Cross multiply
    143,310.48x = 215,002.44 × 101,274
  4. Step 4: Simplify right side
    143,310.48x = 21,774,157,108.56
  5. Step 5: Solve for x
    x = 21,774,157,108.56/143,310.48
  6. Step 6: Final answer
    x = 151,936.95

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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.