Home / 188,964.93-260,766.25-102,921.96

Finding the Fourth Proportional to 188,964.93, 260,766.25 and 102,921.96

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Solution

The fourth proportional to 188,964.93, 260,766.25 and 102,921.96 is: 142,029.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,964.93 : 260,766.25 = 102,921.96 : x
  2. Step 2: Convert to fraction form
    188,964.93/260,766.25 = 102,921.96/x
  3. Step 3: Cross multiply
    188,964.93x = 260,766.25 × 102,921.96
  4. Step 4: Simplify right side
    188,964.93x = 26,838,573,551.85
  5. Step 5: Solve for x
    x = 26,838,573,551.85/188,964.93
  6. Step 6: Final answer
    x = 142,029.39

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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.