Home / 133,387.05-200,006.72-54,556.64

Finding the Fourth Proportional to 133,387.05, 200,006.72 and 54,556.64

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Solution

The fourth proportional to 133,387.05, 200,006.72 and 54,556.64 is: 81,804.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,387.05 : 200,006.72 = 54,556.64 : x
  2. Step 2: Convert to fraction form
    133,387.05/200,006.72 = 54,556.64/x
  3. Step 3: Cross multiply
    133,387.05x = 200,006.72 × 54,556.64
  4. Step 4: Simplify right side
    133,387.05x = 10,911,694,302.42
  5. Step 5: Solve for x
    x = 10,911,694,302.42/133,387.05
  6. Step 6: Final answer
    x = 81,804.75

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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.