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Finding the Fourth Proportional to 140,004.73, 209,922.65 and 55,777.89

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Solution

The fourth proportional to 140,004.73, 209,922.65 and 55,777.89 is: 83,633.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,004.73 : 209,922.65 = 55,777.89 : x
  2. Step 2: Convert to fraction form
    140,004.73/209,922.65 = 55,777.89/x
  3. Step 3: Cross multiply
    140,004.73x = 209,922.65 × 55,777.89
  4. Step 4: Simplify right side
    140,004.73x = 11,709,042,480.21
  5. Step 5: Solve for x
    x = 11,709,042,480.21/140,004.73
  6. Step 6: Final answer
    x = 83,633.19

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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.