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Finding the Fourth Proportional to 133,389.54, 200,084.30 and 54,503.70

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Solution

The fourth proportional to 133,389.54, 200,084.30 and 54,503.70 is: 81,755.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,389.54 : 200,084.30 = 54,503.70 : x
  2. Step 2: Convert to fraction form
    133,389.54/200,084.30 = 54,503.70/x
  3. Step 3: Cross multiply
    133,389.54x = 200,084.30 × 54,503.70
  4. Step 4: Simplify right side
    133,389.54x = 10,905,334,661.91
  5. Step 5: Solve for x
    x = 10,905,334,661.91/133,389.54
  6. Step 6: Final answer
    x = 81,755.55

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1.5x scale

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.