Home / 149,986.86-206,561.79-146,720.94

Finding the Fourth Proportional to 149,986.86, 206,561.79 and 146,720.94

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Solution

The fourth proportional to 149,986.86, 206,561.79 and 146,720.94 is: 202,063.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,986.86 : 206,561.79 = 146,720.94 : x
  2. Step 2: Convert to fraction form
    149,986.86/206,561.79 = 146,720.94/x
  3. Step 3: Cross multiply
    149,986.86x = 206,561.79 × 146,720.94
  4. Step 4: Simplify right side
    149,986.86x = 30,306,939,996.88
  5. Step 5: Solve for x
    x = 30,306,939,996.88/149,986.86
  6. Step 6: Final answer
    x = 202,063.97

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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.