Home / 190,263.09-285,146.77-106,019.85

Finding the Fourth Proportional to 190,263.09, 285,146.77 and 106,019.85

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Solution

The fourth proportional to 190,263.09, 285,146.77 and 106,019.85 is: 158,891.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,263.09 : 285,146.77 = 106,019.85 : x
  2. Step 2: Convert to fraction form
    190,263.09/285,146.77 = 106,019.85/x
  3. Step 3: Cross multiply
    190,263.09x = 285,146.77 × 106,019.85
  4. Step 4: Simplify right side
    190,263.09x = 30,231,218,786.42
  5. Step 5: Solve for x
    x = 30,231,218,786.42/190,263.09
  6. Step 6: Final answer
    x = 158,891.66

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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.