Home / 149,787.87-206,355.66-104,383.32

Finding the Fourth Proportional to 149,787.87, 206,355.66 and 104,383.32

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Solution

The fourth proportional to 149,787.87, 206,355.66 and 104,383.32 is: 143,803.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,787.87 : 206,355.66 = 104,383.32 : x
  2. Step 2: Convert to fraction form
    149,787.87/206,355.66 = 104,383.32/x
  3. Step 3: Cross multiply
    149,787.87x = 206,355.66 × 104,383.32
  4. Step 4: Simplify right side
    149,787.87x = 21,540,088,891.59
  5. Step 5: Solve for x
    x = 21,540,088,891.59/149,787.87
  6. Step 6: Final answer
    x = 143,803.96

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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.