Home / 188,254.22-282,318.69-75,905.42

Finding the Fourth Proportional to 188,254.22, 282,318.69 and 75,905.42

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Solution

The fourth proportional to 188,254.22, 282,318.69 and 75,905.42 is: 113,832.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,254.22 : 282,318.69 = 75,905.42 : x
  2. Step 2: Convert to fraction form
    188,254.22/282,318.69 = 75,905.42/x
  3. Step 3: Cross multiply
    188,254.22x = 282,318.69 × 75,905.42
  4. Step 4: Simplify right side
    188,254.22x = 21,429,518,738.30
  5. Step 5: Solve for x
    x = 21,429,518,738.30/188,254.22
  6. Step 6: Final answer
    x = 113,832.87

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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.