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Finding the Fourth Proportional to 133,253.70, 199,880.47 and 66,626.74

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Solution

The fourth proportional to 133,253.70, 199,880.47 and 66,626.74 is: 99,940.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,253.70 : 199,880.47 = 66,626.74 : x
  2. Step 2: Convert to fraction form
    133,253.70/199,880.47 = 66,626.74/x
  3. Step 3: Cross multiply
    133,253.70x = 199,880.47 × 66,626.74
  4. Step 4: Simplify right side
    133,253.70x = 13,317,384,105.77
  5. Step 5: Solve for x
    x = 13,317,384,105.77/133,253.70
  6. Step 6: Final answer
    x = 99,940.07

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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.