Home / 190,338.06-285,485-50,107.62

Finding the Fourth Proportional to 190,338.06, 285,485 and 50,107.62

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Solution

The fourth proportional to 190,338.06, 285,485 and 50,107.62 is: 75,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,338.06 : 285,485 = 50,107.62 : x
  2. Step 2: Convert to fraction form
    190,338.06/285,485 = 50,107.62/x
  3. Step 3: Cross multiply
    190,338.06x = 285,485 × 50,107.62
  4. Step 4: Simplify right side
    190,338.06x = 14,304,973,895.70
  5. Step 5: Solve for x
    x = 14,304,973,895.70/190,338.06
  6. Step 6: Final answer
    x = 75,155.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.