Home / 188,788.11-283,188.30-55,657.21

Finding the Fourth Proportional to 188,788.11, 283,188.30 and 55,657.21

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Solution

The fourth proportional to 188,788.11, 283,188.30 and 55,657.21 is: 83,487.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,788.11 : 283,188.30 = 55,657.21 : x
  2. Step 2: Convert to fraction form
    188,788.11/283,188.30 = 55,657.21/x
  3. Step 3: Cross multiply
    188,788.11x = 283,188.30 × 55,657.21
  4. Step 4: Simplify right side
    188,788.11x = 15,761,470,682.64
  5. Step 5: Solve for x
    x = 15,761,470,682.64/188,788.11
  6. Step 6: Final answer
    x = 83,487.62

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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.