Home / 148,933.28-205,527.78-80,950.19

Finding the Fourth Proportional to 148,933.28, 205,527.78 and 80,950.19

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Solution

The fourth proportional to 148,933.28, 205,527.78 and 80,950.19 is: 111,711.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,933.28 : 205,527.78 = 80,950.19 : x
  2. Step 2: Convert to fraction form
    148,933.28/205,527.78 = 80,950.19/x
  3. Step 3: Cross multiply
    148,933.28x = 205,527.78 × 80,950.19
  4. Step 4: Simplify right side
    148,933.28x = 16,637,511,813.64
  5. Step 5: Solve for x
    x = 16,637,511,813.64/148,933.28
  6. Step 6: Final answer
    x = 111,711.17

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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.