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Finding the Fourth Proportional to 143,183.78, 214,713 and 58,887.62

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Solution

The fourth proportional to 143,183.78, 214,713 and 58,887.62 is: 88,305.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,183.78 : 214,713 = 58,887.62 : x
  2. Step 2: Convert to fraction form
    143,183.78/214,713 = 58,887.62/x
  3. Step 3: Cross multiply
    143,183.78x = 214,713 × 58,887.62
  4. Step 4: Simplify right side
    143,183.78x = 12,643,937,553.06
  5. Step 5: Solve for x
    x = 12,643,937,553.06/143,183.78
  6. Step 6: Final answer
    x = 88,305.66

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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.