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Finding the Fourth Proportional to 133,353.90, 200,059.65 and 39,869.10

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Solution

The fourth proportional to 133,353.90, 200,059.65 and 39,869.10 is: 59,812.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,353.90 : 200,059.65 = 39,869.10 : x
  2. Step 2: Convert to fraction form
    133,353.90/200,059.65 = 39,869.10/x
  3. Step 3: Cross multiply
    133,353.90x = 200,059.65 × 39,869.10
  4. Step 4: Simplify right side
    133,353.90x = 7,976,198,191.82
  5. Step 5: Solve for x
    x = 7,976,198,191.82/133,353.90
  6. Step 6: Final answer
    x = 59,812.26

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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.