Home / 165,354.12-228,192.68-100,826.69

Finding the Fourth Proportional to 165,354.12, 228,192.68 and 100,826.69

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Solution

The fourth proportional to 165,354.12, 228,192.68 and 100,826.69 is: 139,143.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,354.12 : 228,192.68 = 100,826.69 : x
  2. Step 2: Convert to fraction form
    165,354.12/228,192.68 = 100,826.69/x
  3. Step 3: Cross multiply
    165,354.12x = 228,192.68 × 100,826.69
  4. Step 4: Simplify right side
    165,354.12x = 23,007,911,717.73
  5. Step 5: Solve for x
    x = 23,007,911,717.73/165,354.12
  6. Step 6: Final answer
    x = 139,143.26

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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.