Home / 131,803.53-181,892.26-80,844.42

Finding the Fourth Proportional to 131,803.53, 181,892.26 and 80,844.42

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Solution

The fourth proportional to 131,803.53, 181,892.26 and 80,844.42 is: 111,567.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,803.53 : 181,892.26 = 80,844.42 : x
  2. Step 2: Convert to fraction form
    131,803.53/181,892.26 = 80,844.42/x
  3. Step 3: Cross multiply
    131,803.53x = 181,892.26 × 80,844.42
  4. Step 4: Simplify right side
    131,803.53x = 14,704,973,857.97
  5. Step 5: Solve for x
    x = 14,704,973,857.97/131,803.53
  6. Step 6: Final answer
    x = 111,567.38

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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.