Home / 188,494.20-282,644.10-70,104.60

Finding the Fourth Proportional to 188,494.20, 282,644.10 and 70,104.60

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Solution

The fourth proportional to 188,494.20, 282,644.10 and 70,104.60 is: 105,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,494.20 : 282,644.10 = 70,104.60 : x
  2. Step 2: Convert to fraction form
    188,494.20/282,644.10 = 70,104.60/x
  3. Step 3: Cross multiply
    188,494.20x = 282,644.10 × 70,104.60
  4. Step 4: Simplify right side
    188,494.20x = 19,814,651,572.86
  5. Step 5: Solve for x
    x = 19,814,651,572.86/188,494.20
  6. Step 6: Final answer
    x = 105,120.75

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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.