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Finding the Fourth Proportional to 133,341.40, 200,040.90 and 39,856.60

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Solution

The fourth proportional to 133,341.40, 200,040.90 and 39,856.60 is: 59,793.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,341.40 : 200,040.90 = 39,856.60 : x
  2. Step 2: Convert to fraction form
    133,341.40/200,040.90 = 39,856.60/x
  3. Step 3: Cross multiply
    133,341.40x = 200,040.90 × 39,856.60
  4. Step 4: Simplify right side
    133,341.40x = 7,972,950,134.94
  5. Step 5: Solve for x
    x = 7,972,950,134.94/133,341.40
  6. Step 6: Final answer
    x = 59,793.51

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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.