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Finding the Fourth Proportional to 143,083.61, 214,629.48 and 37,902.59

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Solution

The fourth proportional to 143,083.61, 214,629.48 and 37,902.59 is: 56,854.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,083.61 : 214,629.48 = 37,902.59 : x
  2. Step 2: Convert to fraction form
    143,083.61/214,629.48 = 37,902.59/x
  3. Step 3: Cross multiply
    143,083.61x = 214,629.48 × 37,902.59
  4. Step 4: Simplify right side
    143,083.61x = 8,135,013,182.35
  5. Step 5: Solve for x
    x = 8,135,013,182.35/143,083.61
  6. Step 6: Final answer
    x = 56,854.96

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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.