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Finding the Fourth Proportional to 133,337.55, 200,006.51 and 54,451.77

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Solution

The fourth proportional to 133,337.55, 200,006.51 and 54,451.77 is: 81,677.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,337.55 : 200,006.51 = 54,451.77 : x
  2. Step 2: Convert to fraction form
    133,337.55/200,006.51 = 54,451.77/x
  3. Step 3: Cross multiply
    133,337.55x = 200,006.51 × 54,451.77
  4. Step 4: Simplify right side
    133,337.55x = 10,890,708,617.15
  5. Step 5: Solve for x
    x = 10,890,708,617.15/133,337.55
  6. Step 6: Final answer
    x = 81,677.73

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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.