Home / 285,922.76-428,682.06-125,922.44

Finding the Fourth Proportional to 285,922.76, 428,682.06 and 125,922.44

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Solution

The fourth proportional to 285,922.76, 428,682.06 and 125,922.44 is: 188,794.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,922.76 : 428,682.06 = 125,922.44 : x
  2. Step 2: Convert to fraction form
    285,922.76/428,682.06 = 125,922.44/x
  3. Step 3: Cross multiply
    285,922.76x = 428,682.06 × 125,922.44
  4. Step 4: Simplify right side
    285,922.76x = 53,980,690,979.43
  5. Step 5: Solve for x
    x = 53,980,690,979.43/285,922.76
  6. Step 6: Final answer
    x = 188,794.66

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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.