Home / 149,533.89-206,305.75-84,996.60

Finding the Fourth Proportional to 149,533.89, 206,305.75 and 84,996.60

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Solution

The fourth proportional to 149,533.89, 206,305.75 and 84,996.60 is: 117,266.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,533.89 : 206,305.75 = 84,996.60 : x
  2. Step 2: Convert to fraction form
    149,533.89/206,305.75 = 84,996.60/x
  3. Step 3: Cross multiply
    149,533.89x = 206,305.75 × 84,996.60
  4. Step 4: Simplify right side
    149,533.89x = 17,535,287,310.45
  5. Step 5: Solve for x
    x = 17,535,287,310.45/149,533.89
  6. Step 6: Final answer
    x = 117,266.31

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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.