Home / 165,720.03-228,695.20-94,101.55

Finding the Fourth Proportional to 165,720.03, 228,695.20 and 94,101.55

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Solution

The fourth proportional to 165,720.03, 228,695.20 and 94,101.55 is: 129,861.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,720.03 : 228,695.20 = 94,101.55 : x
  2. Step 2: Convert to fraction form
    165,720.03/228,695.20 = 94,101.55/x
  3. Step 3: Cross multiply
    165,720.03x = 228,695.20 × 94,101.55
  4. Step 4: Simplify right side
    165,720.03x = 21,520,571,990.57
  5. Step 5: Solve for x
    x = 21,520,571,990.57/165,720.03
  6. Step 6: Final answer
    x = 129,861.02

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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.