Home / 149,421.54-206,201.25-82,353.54

Finding the Fourth Proportional to 149,421.54, 206,201.25 and 82,353.54

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Solution

The fourth proportional to 149,421.54, 206,201.25 and 82,353.54 is: 113,647.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,421.54 : 206,201.25 = 82,353.54 : x
  2. Step 2: Convert to fraction form
    149,421.54/206,201.25 = 82,353.54/x
  3. Step 3: Cross multiply
    149,421.54x = 206,201.25 × 82,353.54
  4. Step 4: Simplify right side
    149,421.54x = 16,981,402,889.93
  5. Step 5: Solve for x
    x = 16,981,402,889.93/149,421.54
  6. Step 6: Final answer
    x = 113,647.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.