Home / 188,845.07-260,641.13-108,273.15

Finding the Fourth Proportional to 188,845.07, 260,641.13 and 108,273.15

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Solution

The fourth proportional to 188,845.07, 260,641.13 and 108,273.15 is: 149,436.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,845.07 : 260,641.13 = 108,273.15 : x
  2. Step 2: Convert to fraction form
    188,845.07/260,641.13 = 108,273.15/x
  3. Step 3: Cross multiply
    188,845.07x = 260,641.13 × 108,273.15
  4. Step 4: Simplify right side
    188,845.07x = 28,220,435,623.29
  5. Step 5: Solve for x
    x = 28,220,435,623.29/188,845.07
  6. Step 6: Final answer
    x = 149,436.98

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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.