Home / 149,284.49-206,004.26-84,736.60

Finding the Fourth Proportional to 149,284.49, 206,004.26 and 84,736.60

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Solution

The fourth proportional to 149,284.49, 206,004.26 and 84,736.60 is: 116,931.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,284.49 : 206,004.26 = 84,736.60 : x
  2. Step 2: Convert to fraction form
    149,284.49/206,004.26 = 84,736.60/x
  3. Step 3: Cross multiply
    149,284.49x = 206,004.26 × 84,736.60
  4. Step 4: Simplify right side
    149,284.49x = 17,456,100,274.75
  5. Step 5: Solve for x
    x = 17,456,100,274.75/149,284.49
  6. Step 6: Final answer
    x = 116,931.78

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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.