Home / 76,167.05-114,249.35-20,763.05

Finding the Fourth Proportional to 76,167.05, 114,249.35 and 20,763.05

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Solution

The fourth proportional to 76,167.05, 114,249.35 and 20,763.05 is: 31,144.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,167.05 : 114,249.35 = 20,763.05 : x
  2. Step 2: Convert to fraction form
    76,167.05/114,249.35 = 20,763.05/x
  3. Step 3: Cross multiply
    76,167.05x = 114,249.35 × 20,763.05
  4. Step 4: Simplify right side
    76,167.05x = 2,372,164,447.18
  5. Step 5: Solve for x
    x = 2,372,164,447.18/76,167.05
  6. Step 6: Final answer
    x = 31,144.24

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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.