Home / 148,146.94-204,441.28-80,162.42

Finding the Fourth Proportional to 148,146.94, 204,441.28 and 80,162.42

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Solution

The fourth proportional to 148,146.94, 204,441.28 and 80,162.42 is: 110,623.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,146.94 : 204,441.28 = 80,162.42 : x
  2. Step 2: Convert to fraction form
    148,146.94/204,441.28 = 80,162.42/x
  3. Step 3: Cross multiply
    148,146.94x = 204,441.28 × 80,162.42
  4. Step 4: Simplify right side
    148,146.94x = 16,388,507,752.70
  5. Step 5: Solve for x
    x = 16,388,507,752.70/148,146.94
  6. Step 6: Final answer
    x = 110,623.33

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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.