Home / 165,475.28-228,356.34-90,023.78

Finding the Fourth Proportional to 165,475.28, 228,356.34 and 90,023.78

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Solution

The fourth proportional to 165,475.28, 228,356.34 and 90,023.78 is: 124,233.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,475.28 : 228,356.34 = 90,023.78 : x
  2. Step 2: Convert to fraction form
    165,475.28/228,356.34 = 90,023.78/x
  3. Step 3: Cross multiply
    165,475.28x = 228,356.34 × 90,023.78
  4. Step 4: Simplify right side
    165,475.28x = 20,557,500,913.77
  5. Step 5: Solve for x
    x = 20,557,500,913.77/165,475.28
  6. Step 6: Final answer
    x = 124,233.06

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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.