Home / 133,381.20-200,003.40-39,874.80

Finding the Fourth Proportional to 133,381.20, 200,003.40 and 39,874.80

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Solution

The fourth proportional to 133,381.20, 200,003.40 and 39,874.80 is: 59,791.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,381.20 : 200,003.40 = 39,874.80 : x
  2. Step 2: Convert to fraction form
    133,381.20/200,003.40 = 39,874.80/x
  3. Step 3: Cross multiply
    133,381.20x = 200,003.40 × 39,874.80
  4. Step 4: Simplify right side
    133,381.20x = 7,975,095,574.32
  5. Step 5: Solve for x
    x = 7,975,095,574.32/133,381.20
  6. Step 6: Final answer
    x = 59,791.75

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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.