Home / 165,263.12-228,063.56-89,811.92

Finding the Fourth Proportional to 165,263.12, 228,063.56 and 89,811.92

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Solution

The fourth proportional to 165,263.12, 228,063.56 and 89,811.92 is: 123,940.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,263.12 : 228,063.56 = 89,811.92 : x
  2. Step 2: Convert to fraction form
    165,263.12/228,063.56 = 89,811.92/x
  3. Step 3: Cross multiply
    165,263.12x = 228,063.56 × 89,811.92
  4. Step 4: Simplify right side
    165,263.12x = 20,482,826,205.64
  5. Step 5: Solve for x
    x = 20,482,826,205.64/165,263.12
  6. Step 6: Final answer
    x = 123,940.70

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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.