Home / 149,799.12-206,735.64-82,744.08

Finding the Fourth Proportional to 149,799.12, 206,735.64 and 82,744.08

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Solution

The fourth proportional to 149,799.12, 206,735.64 and 82,744.08 is: 114,193.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,799.12 : 206,735.64 = 82,744.08 : x
  2. Step 2: Convert to fraction form
    149,799.12/206,735.64 = 82,744.08/x
  3. Step 3: Cross multiply
    149,799.12x = 206,735.64 × 82,744.08
  4. Step 4: Simplify right side
    149,799.12x = 17,106,150,335.01
  5. Step 5: Solve for x
    x = 17,106,150,335.01/149,799.12
  6. Step 6: Final answer
    x = 114,193.93

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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.