Home / 190,535.20-262,919.61-109,988.68

Finding the Fourth Proportional to 190,535.20, 262,919.61 and 109,988.68

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Solution

The fourth proportional to 190,535.20, 262,919.61 and 109,988.68 is: 151,773.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,535.20 : 262,919.61 = 109,988.68 : x
  2. Step 2: Convert to fraction form
    190,535.20/262,919.61 = 109,988.68/x
  3. Step 3: Cross multiply
    190,535.20x = 262,919.61 × 109,988.68
  4. Step 4: Simplify right side
    190,535.20x = 28,918,180,850.01
  5. Step 5: Solve for x
    x = 28,918,180,850.01/190,535.20
  6. Step 6: Final answer
    x = 151,773.43

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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.