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Finding the Fourth Proportional to 143,745.82, 215,660.34 and 59,490.44

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Solution

The fourth proportional to 143,745.82, 215,660.34 and 59,490.44 is: 89,252.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,745.82 : 215,660.34 = 59,490.44 : x
  2. Step 2: Convert to fraction form
    143,745.82/215,660.34 = 59,490.44/x
  3. Step 3: Cross multiply
    143,745.82x = 215,660.34 × 59,490.44
  4. Step 4: Simplify right side
    143,745.82x = 12,829,728,517.15
  5. Step 5: Solve for x
    x = 12,829,728,517.15/143,745.82
  6. Step 6: Final answer
    x = 89,252.88

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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.