Home / 165,409.50-228,265.11-89,959.62

Finding the Fourth Proportional to 165,409.50, 228,265.11 and 89,959.62

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Solution

The fourth proportional to 165,409.50, 228,265.11 and 89,959.62 is: 124,144.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,409.50 : 228,265.11 = 89,959.62 : x
  2. Step 2: Convert to fraction form
    165,409.50/228,265.11 = 89,959.62/x
  3. Step 3: Cross multiply
    165,409.50x = 228,265.11 × 89,959.62
  4. Step 4: Simplify right side
    165,409.50x = 20,534,642,554.86
  5. Step 5: Solve for x
    x = 20,534,642,554.86/165,409.50
  6. Step 6: Final answer
    x = 124,144.28

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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.