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Finding the Fourth Proportional to 133,333.39, 200,073.89 and 79,894.09

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Solution

The fourth proportional to 133,333.39, 200,073.89 and 79,894.09 is: 119,885.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,333.39 : 200,073.89 = 79,894.09 : x
  2. Step 2: Convert to fraction form
    133,333.39/200,073.89 = 79,894.09/x
  3. Step 3: Cross multiply
    133,333.39x = 200,073.89 × 79,894.09
  4. Step 4: Simplify right side
    133,333.39x = 15,984,721,374.31
  5. Step 5: Solve for x
    x = 15,984,721,374.31/133,333.39
  6. Step 6: Final answer
    x = 119,885.36

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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.