Home / 165,863.04-228,893.76-90,414.72

Finding the Fourth Proportional to 165,863.04, 228,893.76 and 90,414.72

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Solution

The fourth proportional to 165,863.04, 228,893.76 and 90,414.72 is: 124,773.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,863.04 : 228,893.76 = 90,414.72 : x
  2. Step 2: Convert to fraction form
    165,863.04/228,893.76 = 90,414.72/x
  3. Step 3: Cross multiply
    165,863.04x = 228,893.76 × 90,414.72
  4. Step 4: Simplify right side
    165,863.04x = 20,695,365,220.15
  5. Step 5: Solve for x
    x = 20,695,365,220.15/165,863.04
  6. Step 6: Final answer
    x = 124,773.82

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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.