Home / 165,819.80-228,650.64-112,011.42

Finding the Fourth Proportional to 165,819.80, 228,650.64 and 112,011.42

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Solution

The fourth proportional to 165,819.80, 228,650.64 and 112,011.42 is: 154,453.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,819.80 : 228,650.64 = 112,011.42 : x
  2. Step 2: Convert to fraction form
    165,819.80/228,650.64 = 112,011.42/x
  3. Step 3: Cross multiply
    165,819.80x = 228,650.64 × 112,011.42
  4. Step 4: Simplify right side
    165,819.80x = 25,611,482,870.31
  5. Step 5: Solve for x
    x = 25,611,482,870.31/165,819.80
  6. Step 6: Final answer
    x = 154,453.71

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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.