Home / 188,541.24-260,180.22-103,657.64

Finding the Fourth Proportional to 188,541.24, 260,180.22 and 103,657.64

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Solution

The fourth proportional to 188,541.24, 260,180.22 and 103,657.64 is: 143,043.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,541.24 : 260,180.22 = 103,657.64 : x
  2. Step 2: Convert to fraction form
    188,541.24/260,180.22 = 103,657.64/x
  3. Step 3: Cross multiply
    188,541.24x = 260,180.22 × 103,657.64
  4. Step 4: Simplify right side
    188,541.24x = 26,969,667,579.88
  5. Step 5: Solve for x
    x = 26,969,667,579.88/188,541.24
  6. Step 6: Final answer
    x = 143,043.86

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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.