Home / 165,885.44-228,921.36-90,433.92

Finding the Fourth Proportional to 165,885.44, 228,921.36 and 90,433.92

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Solution

The fourth proportional to 165,885.44, 228,921.36 and 90,433.92 is: 124,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,885.44 : 228,921.36 = 90,433.92 : x
  2. Step 2: Convert to fraction form
    165,885.44/228,921.36 = 90,433.92/x
  3. Step 3: Cross multiply
    165,885.44x = 228,921.36 × 90,433.92
  4. Step 4: Simplify right side
    165,885.44x = 20,702,255,956.53
  5. Step 5: Solve for x
    x = 20,702,255,956.53/165,885.44
  6. Step 6: Final answer
    x = 124,798.51

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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.