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Finding the Fourth Proportional to 133,648.78, 200,473.09 and 53,686.73

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Solution

The fourth proportional to 133,648.78, 200,473.09 and 53,686.73 is: 80,530.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,648.78 : 200,473.09 = 53,686.73 : x
  2. Step 2: Convert to fraction form
    133,648.78/200,473.09 = 53,686.73/x
  3. Step 3: Cross multiply
    133,648.78x = 200,473.09 × 53,686.73
  4. Step 4: Simplify right side
    133,648.78x = 10,762,744,655.10
  5. Step 5: Solve for x
    x = 10,762,744,655.10/133,648.78
  6. Step 6: Final answer
    x = 80,530.06

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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.