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Finding the Fourth Proportional to 133,975.60, 200,963.40 and 45,207.70

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Solution

The fourth proportional to 133,975.60, 200,963.40 and 45,207.70 is: 67,811.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,975.60 : 200,963.40 = 45,207.70 : x
  2. Step 2: Convert to fraction form
    133,975.60/200,963.40 = 45,207.70/x
  3. Step 3: Cross multiply
    133,975.60x = 200,963.40 × 45,207.70
  4. Step 4: Simplify right side
    133,975.60x = 9,085,093,098.18
  5. Step 5: Solve for x
    x = 9,085,093,098.18/133,975.60
  6. Step 6: Final answer
    x = 67,811.55

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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.