Home / 165,988.54-228,998.91-102,215.62

Finding the Fourth Proportional to 165,988.54, 228,998.91 and 102,215.62

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Solution

The fourth proportional to 165,988.54, 228,998.91 and 102,215.62 is: 141,017.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,988.54 : 228,998.91 = 102,215.62 : x
  2. Step 2: Convert to fraction form
    165,988.54/228,998.91 = 102,215.62/x
  3. Step 3: Cross multiply
    165,988.54x = 228,998.91 × 102,215.62
  4. Step 4: Simplify right side
    165,988.54x = 23,407,265,564.97
  5. Step 5: Solve for x
    x = 23,407,265,564.97/165,988.54
  6. Step 6: Final answer
    x = 141,017.36

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1.5x scale

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.