Home / 165,912.45-228,959.41-90,460.95

Finding the Fourth Proportional to 165,912.45, 228,959.41 and 90,460.95

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Solution

The fourth proportional to 165,912.45, 228,959.41 and 90,460.95 is: 124,836.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,912.45 : 228,959.41 = 90,460.95 : x
  2. Step 2: Convert to fraction form
    165,912.45/228,959.41 = 90,460.95/x
  3. Step 3: Cross multiply
    165,912.45x = 228,959.41 × 90,460.95
  4. Step 4: Simplify right side
    165,912.45x = 20,711,885,740.04
  5. Step 5: Solve for x
    x = 20,711,885,740.04/165,912.45
  6. Step 6: Final answer
    x = 124,836.24

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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.