Home / 103,665.97-155,556.26-96,137.15

Finding the Fourth Proportional to 103,665.97, 155,556.26 and 96,137.15

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Solution

The fourth proportional to 103,665.97, 155,556.26 and 96,137.15 is: 144,258.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,665.97 : 155,556.26 = 96,137.15 : x
  2. Step 2: Convert to fraction form
    103,665.97/155,556.26 = 96,137.15/x
  3. Step 3: Cross multiply
    103,665.97x = 155,556.26 × 96,137.15
  4. Step 4: Simplify right side
    103,665.97x = 14,954,735,501.06
  5. Step 5: Solve for x
    x = 14,954,735,501.06/103,665.97
  6. Step 6: Final answer
    x = 144,258.87

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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.