Home / 76,236.55-114,346.17-20,081.05

Finding the Fourth Proportional to 76,236.55, 114,346.17 and 20,081.05

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Solution

The fourth proportional to 76,236.55, 114,346.17 and 20,081.05 is: 30,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,236.55 : 114,346.17 = 20,081.05 : x
  2. Step 2: Convert to fraction form
    76,236.55/114,346.17 = 20,081.05/x
  3. Step 3: Cross multiply
    76,236.55x = 114,346.17 × 20,081.05
  4. Step 4: Simplify right side
    76,236.55x = 2,296,190,871.21
  5. Step 5: Solve for x
    x = 2,296,190,871.21/76,236.55
  6. Step 6: Final answer
    x = 30,119.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.