Home / 149,372.60-205,850.64-106,857.32

Finding the Fourth Proportional to 149,372.60, 205,850.64 and 106,857.32

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Solution

The fourth proportional to 149,372.60, 205,850.64 and 106,857.32 is: 147,260.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,372.60 : 205,850.64 = 106,857.32 : x
  2. Step 2: Convert to fraction form
    149,372.60/205,850.64 = 106,857.32/x
  3. Step 3: Cross multiply
    149,372.60x = 205,850.64 × 106,857.32
  4. Step 4: Simplify right side
    149,372.60x = 21,996,647,710.68
  5. Step 5: Solve for x
    x = 21,996,647,710.68/149,372.60
  6. Step 6: Final answer
    x = 147,260.26

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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.