Home / 148,550.97-204,999.40-80,569.56

Finding the Fourth Proportional to 148,550.97, 204,999.40 and 80,569.56

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Solution

The fourth proportional to 148,550.97, 204,999.40 and 80,569.56 is: 111,185.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,550.97 : 204,999.40 = 80,569.56 : x
  2. Step 2: Convert to fraction form
    148,550.97/204,999.40 = 80,569.56/x
  3. Step 3: Cross multiply
    148,550.97x = 204,999.40 × 80,569.56
  4. Step 4: Simplify right side
    148,550.97x = 16,516,710,030.42
  5. Step 5: Solve for x
    x = 16,516,710,030.42/148,550.97
  6. Step 6: Final answer
    x = 111,185.48

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1.5x scale

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.