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Finding the Fourth Proportional to 133,337.69, 200,006.73 and 54,451.92

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Solution

The fourth proportional to 133,337.69, 200,006.73 and 54,451.92 is: 81,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,337.69 : 200,006.73 = 54,451.92 : x
  2. Step 2: Convert to fraction form
    133,337.69/200,006.73 = 54,451.92/x
  3. Step 3: Cross multiply
    133,337.69x = 200,006.73 × 54,451.92
  4. Step 4: Simplify right side
    133,337.69x = 10,890,749,961.40
  5. Step 5: Solve for x
    x = 10,890,749,961.40/133,337.69
  6. Step 6: Final answer
    x = 81,677.95

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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.