Home / 76,109.11-114,161.31-36,156.85

Finding the Fourth Proportional to 76,109.11, 114,161.31 and 36,156.85

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Solution

The fourth proportional to 76,109.11, 114,161.31 and 36,156.85 is: 54,234.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,109.11 : 114,161.31 = 36,156.85 : x
  2. Step 2: Convert to fraction form
    76,109.11/114,161.31 = 36,156.85/x
  3. Step 3: Cross multiply
    76,109.11x = 114,161.31 × 36,156.85
  4. Step 4: Simplify right side
    76,109.11x = 4,127,713,361.47
  5. Step 5: Solve for x
    x = 4,127,713,361.47/76,109.11
  6. Step 6: Final answer
    x = 54,234.16

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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.