Home / 190,766.75-263,259.14-119,188.28

Finding the Fourth Proportional to 190,766.75, 263,259.14 and 119,188.28

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Solution

The fourth proportional to 190,766.75, 263,259.14 and 119,188.28 is: 164,480.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,766.75 : 263,259.14 = 119,188.28 : x
  2. Step 2: Convert to fraction form
    190,766.75/263,259.14 = 119,188.28/x
  3. Step 3: Cross multiply
    190,766.75x = 263,259.14 × 119,188.28
  4. Step 4: Simplify right side
    190,766.75x = 31,377,404,153.09
  5. Step 5: Solve for x
    x = 31,377,404,153.09/190,766.75
  6. Step 6: Final answer
    x = 164,480.47

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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.