Home / 188,437.21-260,029.83-107,863.55

Finding the Fourth Proportional to 188,437.21, 260,029.83 and 107,863.55

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Solution

The fourth proportional to 188,437.21, 260,029.83 and 107,863.55 is: 148,843.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,437.21 : 260,029.83 = 107,863.55 : x
  2. Step 2: Convert to fraction form
    188,437.21/260,029.83 = 107,863.55/x
  3. Step 3: Cross multiply
    188,437.21x = 260,029.83 × 107,863.55
  4. Step 4: Simplify right side
    188,437.21x = 28,047,740,569.70
  5. Step 5: Solve for x
    x = 28,047,740,569.70/188,437.21
  6. Step 6: Final answer
    x = 148,843.96

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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.