Home / 165,723.08-228,815.70-102,080.84

Finding the Fourth Proportional to 165,723.08, 228,815.70 and 102,080.84

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Solution

The fourth proportional to 165,723.08, 228,815.70 and 102,080.84 is: 140,944.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,723.08 : 228,815.70 = 102,080.84 : x
  2. Step 2: Convert to fraction form
    165,723.08/228,815.70 = 102,080.84/x
  3. Step 3: Cross multiply
    165,723.08x = 228,815.70 × 102,080.84
  4. Step 4: Simplify right side
    165,723.08x = 23,357,698,861.19
  5. Step 5: Solve for x
    x = 23,357,698,861.19/165,723.08
  6. Step 6: Final answer
    x = 140,944.15

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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.