Home / 148,769.04-205,301.24-81,701.04

Finding the Fourth Proportional to 148,769.04, 205,301.24 and 81,701.04

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Solution

The fourth proportional to 148,769.04, 205,301.24 and 81,701.04 is: 112,747.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,769.04 : 205,301.24 = 81,701.04 : x
  2. Step 2: Convert to fraction form
    148,769.04/205,301.24 = 81,701.04/x
  3. Step 3: Cross multiply
    148,769.04x = 205,301.24 × 81,701.04
  4. Step 4: Simplify right side
    148,769.04x = 16,773,324,821.29
  5. Step 5: Solve for x
    x = 16,773,324,821.29/148,769.04
  6. Step 6: Final answer
    x = 112,747.42

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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.