Home / 188,815.39-283,195.74-55,689.05

Finding the Fourth Proportional to 188,815.39, 283,195.74 and 55,689.05

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Solution

The fourth proportional to 188,815.39, 283,195.74 and 55,689.05 is: 83,525.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,815.39 : 283,195.74 = 55,689.05 : x
  2. Step 2: Convert to fraction form
    188,815.39/283,195.74 = 55,689.05/x
  3. Step 3: Cross multiply
    188,815.39x = 283,195.74 × 55,689.05
  4. Step 4: Simplify right side
    188,815.39x = 15,770,902,641.47
  5. Step 5: Solve for x
    x = 15,770,902,641.47/188,815.39
  6. Step 6: Final answer
    x = 83,525.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.