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Finding the Fourth Proportional to 143,744.82, 215,658.84 and 59,489.44

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Solution

The fourth proportional to 143,744.82, 215,658.84 and 59,489.44 is: 89,251.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,744.82 : 215,658.84 = 59,489.44 : x
  2. Step 2: Convert to fraction form
    143,744.82/215,658.84 = 59,489.44/x
  3. Step 3: Cross multiply
    143,744.82x = 215,658.84 × 59,489.44
  4. Step 4: Simplify right side
    143,744.82x = 12,829,423,622.65
  5. Step 5: Solve for x
    x = 12,829,423,622.65/143,744.82
  6. Step 6: Final answer
    x = 89,251.38

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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.