Home / 190,431.36-262,803.81-108,766.71

Finding the Fourth Proportional to 190,431.36, 262,803.81 and 108,766.71

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Solution

The fourth proportional to 190,431.36, 262,803.81 and 108,766.71 is: 150,102.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,431.36 : 262,803.81 = 108,766.71 : x
  2. Step 2: Convert to fraction form
    190,431.36/262,803.81 = 108,766.71/x
  3. Step 3: Cross multiply
    190,431.36x = 262,803.81 × 108,766.71
  4. Step 4: Simplify right side
    190,431.36x = 28,584,305,789.17
  5. Step 5: Solve for x
    x = 28,584,305,789.17/190,431.36
  6. Step 6: Final answer
    x = 150,102.93

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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.