Home / 76,171.05-114,255.34-20,767.05

Finding the Fourth Proportional to 76,171.05, 114,255.34 and 20,767.05

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Solution

The fourth proportional to 76,171.05, 114,255.34 and 20,767.05 is: 31,150.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,171.05 : 114,255.34 = 20,767.05 : x
  2. Step 2: Convert to fraction form
    76,171.05/114,255.34 = 20,767.05/x
  3. Step 3: Cross multiply
    76,171.05x = 114,255.34 × 20,767.05
  4. Step 4: Simplify right side
    76,171.05x = 2,372,746,358.55
  5. Step 5: Solve for x
    x = 2,372,746,358.55/76,171.05
  6. Step 6: Final answer
    x = 31,150.24

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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.