Home / 205,719.30-283,778.28-119,668.60

Finding the Fourth Proportional to 205,719.30, 283,778.28 and 119,668.60

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Solution

The fourth proportional to 205,719.30, 283,778.28 and 119,668.60 is: 165,076.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,719.30 : 283,778.28 = 119,668.60 : x
  2. Step 2: Convert to fraction form
    205,719.30/283,778.28 = 119,668.60/x
  3. Step 3: Cross multiply
    205,719.30x = 283,778.28 × 119,668.60
  4. Step 4: Simplify right side
    205,719.30x = 33,959,349,478.01
  5. Step 5: Solve for x
    x = 33,959,349,478.01/205,719.30
  6. Step 6: Final answer
    x = 165,076.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.