Home / 133,908.34-200,722.38-45,131.19

Finding the Fourth Proportional to 133,908.34, 200,722.38 and 45,131.19

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Solution

The fourth proportional to 133,908.34, 200,722.38 and 45,131.19 is: 67,649.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,908.34 : 200,722.38 = 45,131.19 : x
  2. Step 2: Convert to fraction form
    133,908.34/200,722.38 = 45,131.19/x
  3. Step 3: Cross multiply
    133,908.34x = 200,722.38 × 45,131.19
  4. Step 4: Simplify right side
    133,908.34x = 9,058,838,865.42
  5. Step 5: Solve for x
    x = 9,058,838,865.42/133,908.34
  6. Step 6: Final answer
    x = 67,649.55

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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.