Home / 103,367.36-142,662.57-63,104.60

Finding the Fourth Proportional to 103,367.36, 142,662.57 and 63,104.60

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Solution

The fourth proportional to 103,367.36, 142,662.57 and 63,104.60 is: 87,093.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,367.36 : 142,662.57 = 63,104.60 : x
  2. Step 2: Convert to fraction form
    103,367.36/142,662.57 = 63,104.60/x
  3. Step 3: Cross multiply
    103,367.36x = 142,662.57 × 63,104.60
  4. Step 4: Simplify right side
    103,367.36x = 9,002,664,414.82
  5. Step 5: Solve for x
    x = 9,002,664,414.82/103,367.36
  6. Step 6: Final answer
    x = 87,093.88

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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.