Home / 148,941.10-205,538.34-80,958.07

Finding the Fourth Proportional to 148,941.10, 205,538.34 and 80,958.07

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Solution

The fourth proportional to 148,941.10, 205,538.34 and 80,958.07 is: 111,721.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,941.10 : 205,538.34 = 80,958.07 : x
  2. Step 2: Convert to fraction form
    148,941.10/205,538.34 = 80,958.07/x
  3. Step 3: Cross multiply
    148,941.10x = 205,538.34 × 80,958.07
  4. Step 4: Simplify right side
    148,941.10x = 16,639,987,317.40
  5. Step 5: Solve for x
    x = 16,639,987,317.40/148,941.10
  6. Step 6: Final answer
    x = 111,721.93

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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.