Home / 165,708.30-228,677.34-90,256.80

Finding the Fourth Proportional to 165,708.30, 228,677.34 and 90,256.80

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Solution

The fourth proportional to 165,708.30, 228,677.34 and 90,256.80 is: 124,554.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,708.30 : 228,677.34 = 90,256.80 : x
  2. Step 2: Convert to fraction form
    165,708.30/228,677.34 = 90,256.80/x
  3. Step 3: Cross multiply
    165,708.30x = 228,677.34 × 90,256.80
  4. Step 4: Simplify right side
    165,708.30x = 20,639,684,940.91
  5. Step 5: Solve for x
    x = 20,639,684,940.91/165,708.30
  6. Step 6: Final answer
    x = 124,554.32

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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.