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Finding the Fourth Proportional to 133,333.31, 200,000.15 and 54,447.54

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Solution

The fourth proportional to 133,333.31, 200,000.15 and 54,447.54 is: 81,671.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,333.31 : 200,000.15 = 54,447.54 : x
  2. Step 2: Convert to fraction form
    133,333.31/200,000.15 = 54,447.54/x
  3. Step 3: Cross multiply
    133,333.31x = 200,000.15 × 54,447.54
  4. Step 4: Simplify right side
    133,333.31x = 10,889,516,167.13
  5. Step 5: Solve for x
    x = 10,889,516,167.13/133,333.31
  6. Step 6: Final answer
    x = 81,671.39

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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.