Home / 133,442.10-200,163.28-54,556.33

Finding the Fourth Proportional to 133,442.10, 200,163.28 and 54,556.33

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Solution

The fourth proportional to 133,442.10, 200,163.28 and 54,556.33 is: 81,834.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,442.10 : 200,163.28 = 54,556.33 : x
  2. Step 2: Convert to fraction form
    133,442.10/200,163.28 = 54,556.33/x
  3. Step 3: Cross multiply
    133,442.10x = 200,163.28 × 54,556.33
  4. Step 4: Simplify right side
    133,442.10x = 10,920,173,388.84
  5. Step 5: Solve for x
    x = 10,920,173,388.84/133,442.10
  6. Step 6: Final answer
    x = 81,834.54

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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.