Home / 165,826.08-228,845.52-90,377.28

Finding the Fourth Proportional to 165,826.08, 228,845.52 and 90,377.28

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Solution

The fourth proportional to 165,826.08, 228,845.52 and 90,377.28 is: 124,723.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,826.08 : 228,845.52 = 90,377.28 : x
  2. Step 2: Convert to fraction form
    165,826.08/228,845.52 = 90,377.28/x
  3. Step 3: Cross multiply
    165,826.08x = 228,845.52 × 90,377.28
  4. Step 4: Simplify right side
    165,826.08x = 20,682,435,637.79
  5. Step 5: Solve for x
    x = 20,682,435,637.79/165,826.08
  6. Step 6: Final answer
    x = 124,723.66

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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.