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Finding the Fourth Proportional to 133,331.60, 200,227.80 and 71,123.60

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Solution

The fourth proportional to 133,331.60, 200,227.80 and 71,123.60 is: 106,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,331.60 : 200,227.80 = 71,123.60 : x
  2. Step 2: Convert to fraction form
    133,331.60/200,227.80 = 71,123.60/x
  3. Step 3: Cross multiply
    133,331.60x = 200,227.80 × 71,123.60
  4. Step 4: Simplify right side
    133,331.60x = 14,240,921,956.08
  5. Step 5: Solve for x
    x = 14,240,921,956.08/133,331.60
  6. Step 6: Final answer
    x = 106,808.30

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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.