Home / 148,941.23-205,538.51-80,958.20

Finding the Fourth Proportional to 148,941.23, 205,538.51 and 80,958.20

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Solution

The fourth proportional to 148,941.23, 205,538.51 and 80,958.20 is: 111,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,941.23 : 205,538.51 = 80,958.20 : x
  2. Step 2: Convert to fraction form
    148,941.23/205,538.51 = 80,958.20/x
  3. Step 3: Cross multiply
    148,941.23x = 205,538.51 × 80,958.20
  4. Step 4: Simplify right side
    148,941.23x = 16,640,026,974.98
  5. Step 5: Solve for x
    x = 16,640,026,974.98/148,941.23
  6. Step 6: Final answer
    x = 111,722.10

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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.