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Finding the Fourth Proportional to 133,635.40, 200,453.10 and 132,713.80

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Solution

The fourth proportional to 133,635.40, 200,453.10 and 132,713.80 is: 199,070.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,635.40 : 200,453.10 = 132,713.80 : x
  2. Step 2: Convert to fraction form
    133,635.40/200,453.10 = 132,713.80/x
  3. Step 3: Cross multiply
    133,635.40x = 200,453.10 × 132,713.80
  4. Step 4: Simplify right side
    133,635.40x = 26,602,892,622.78
  5. Step 5: Solve for x
    x = 26,602,892,622.78/133,635.40
  6. Step 6: Final answer
    x = 199,070.70

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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.