Home / 182,131.04-251,251.68-121,716.64

Finding the Fourth Proportional to 182,131.04, 251,251.68 and 121,716.64

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Solution

The fourth proportional to 182,131.04, 251,251.68 and 121,716.64 is: 167,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,131.04 : 251,251.68 = 121,716.64 : x
  2. Step 2: Convert to fraction form
    182,131.04/251,251.68 = 121,716.64/x
  3. Step 3: Cross multiply
    182,131.04x = 251,251.68 × 121,716.64
  4. Step 4: Simplify right side
    182,131.04x = 30,581,510,283.96
  5. Step 5: Solve for x
    x = 30,581,510,283.96/182,131.04
  6. Step 6: Final answer
    x = 167,909.38

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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.