Home / 188,542.02-260,188.97-103,664.55

Finding the Fourth Proportional to 188,542.02, 260,188.97 and 103,664.55

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Solution

The fourth proportional to 188,542.02, 260,188.97 and 103,664.55 is: 143,057.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,542.02 : 260,188.97 = 103,664.55 : x
  2. Step 2: Convert to fraction form
    188,542.02/260,188.97 = 103,664.55/x
  3. Step 3: Cross multiply
    188,542.02x = 260,188.97 × 103,664.55
  4. Step 4: Simplify right side
    188,542.02x = 26,972,372,490.01
  5. Step 5: Solve for x
    x = 26,972,372,490.01/188,542.02
  6. Step 6: Final answer
    x = 143,057.62

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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.