Home / 148,828.43-205,386.92-80,845.38

Finding the Fourth Proportional to 148,828.43, 205,386.92 and 80,845.38

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Solution

The fourth proportional to 148,828.43, 205,386.92 and 80,845.38 is: 111,568.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,828.43 : 205,386.92 = 80,845.38 : x
  2. Step 2: Convert to fraction form
    148,828.43/205,386.92 = 80,845.38/x
  3. Step 3: Cross multiply
    148,828.43x = 205,386.92 × 80,845.38
  4. Step 4: Simplify right side
    148,828.43x = 16,604,583,190.20
  5. Step 5: Solve for x
    x = 16,604,583,190.20/148,828.43
  6. Step 6: Final answer
    x = 111,568.63

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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.