Home / 149,458.88-206,242.92-84,057.50

Finding the Fourth Proportional to 149,458.88, 206,242.92 and 84,057.50

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Solution

The fourth proportional to 149,458.88, 206,242.92 and 84,057.50 is: 115,993.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,458.88 : 206,242.92 = 84,057.50 : x
  2. Step 2: Convert to fraction form
    149,458.88/206,242.92 = 84,057.50/x
  3. Step 3: Cross multiply
    149,458.88x = 206,242.92 × 84,057.50
  4. Step 4: Simplify right side
    149,458.88x = 17,336,263,216.69
  5. Step 5: Solve for x
    x = 17,336,263,216.69/149,458.88
  6. Step 6: Final answer
    x = 115,993.53

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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.