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Finding the Fourth Proportional to 133,795.70, 200,693.57 and 40,301.45

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Solution

The fourth proportional to 133,795.70, 200,693.57 and 40,301.45 is: 60,452.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,795.70 : 200,693.57 = 40,301.45 : x
  2. Step 2: Convert to fraction form
    133,795.70/200,693.57 = 40,301.45/x
  3. Step 3: Cross multiply
    133,795.70x = 200,693.57 × 40,301.45
  4. Step 4: Simplify right side
    133,795.70x = 8,088,241,424.30
  5. Step 5: Solve for x
    x = 8,088,241,424.30/133,795.70
  6. Step 6: Final answer
    x = 60,452.18

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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.