Home / 188,778.06-283,265.55-76,541.22

Finding the Fourth Proportional to 188,778.06, 283,265.55 and 76,541.22

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Solution

The fourth proportional to 188,778.06, 283,265.55 and 76,541.22 is: 114,851.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,778.06 : 283,265.55 = 76,541.22 : x
  2. Step 2: Convert to fraction form
    188,778.06/283,265.55 = 76,541.22/x
  3. Step 3: Cross multiply
    188,778.06x = 283,265.55 × 76,541.22
  4. Step 4: Simplify right side
    188,778.06x = 21,681,490,780.97
  5. Step 5: Solve for x
    x = 21,681,490,780.97/188,778.06
  6. Step 6: Final answer
    x = 114,851.75

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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.