Home / 133,391.13-200,087.03-54,505.35

Finding the Fourth Proportional to 133,391.13, 200,087.03 and 54,505.35

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Solution

The fourth proportional to 133,391.13, 200,087.03 and 54,505.35 is: 81,758.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,391.13 : 200,087.03 = 54,505.35 : x
  2. Step 2: Convert to fraction form
    133,391.13/200,087.03 = 54,505.35/x
  3. Step 3: Cross multiply
    133,391.13x = 200,087.03 × 54,505.35
  4. Step 4: Simplify right side
    133,391.13x = 10,905,813,328.08
  5. Step 5: Solve for x
    x = 10,905,813,328.08/133,391.13
  6. Step 6: Final answer
    x = 81,758.16

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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.