Home / 149,114.90-205,744.78-108,850.61

Finding the Fourth Proportional to 149,114.90, 205,744.78 and 108,850.61

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Solution

The fourth proportional to 149,114.90, 205,744.78 and 108,850.61 is: 150,189.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,114.90 : 205,744.78 = 108,850.61 : x
  2. Step 2: Convert to fraction form
    149,114.90/205,744.78 = 108,850.61/x
  3. Step 3: Cross multiply
    149,114.90x = 205,744.78 × 108,850.61
  4. Step 4: Simplify right side
    149,114.90x = 22,395,444,807.32
  5. Step 5: Solve for x
    x = 22,395,444,807.32/149,114.90
  6. Step 6: Final answer
    x = 150,189.18

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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.