Home / 188,868.40-283,302.60-109,042.90

Finding the Fourth Proportional to 188,868.40, 283,302.60 and 109,042.90

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Solution

The fourth proportional to 188,868.40, 283,302.60 and 109,042.90 is: 163,564.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,868.40 : 283,302.60 = 109,042.90 : x
  2. Step 2: Convert to fraction form
    188,868.40/283,302.60 = 109,042.90/x
  3. Step 3: Cross multiply
    188,868.40x = 283,302.60 × 109,042.90
  4. Step 4: Simplify right side
    188,868.40x = 30,892,137,081.54
  5. Step 5: Solve for x
    x = 30,892,137,081.54/188,868.40
  6. Step 6: Final answer
    x = 163,564.35

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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.