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Finding the Fourth Proportional to 133,238.98, 199,855.68 and 43,281.60

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Solution

The fourth proportional to 133,238.98, 199,855.68 and 43,281.60 is: 64,921.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,238.98 : 199,855.68 = 43,281.60 : x
  2. Step 2: Convert to fraction form
    133,238.98/199,855.68 = 43,281.60/x
  3. Step 3: Cross multiply
    133,238.98x = 199,855.68 × 43,281.60
  4. Step 4: Simplify right side
    133,238.98x = 8,650,073,599.49
  5. Step 5: Solve for x
    x = 8,650,073,599.49/133,238.98
  6. Step 6: Final answer
    x = 64,921.49

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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.