Home / 121,769.88-182,359.56-84,224.58

Finding the Fourth Proportional to 121,769.88, 182,359.56 and 84,224.58

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Solution

The fourth proportional to 121,769.88, 182,359.56 and 84,224.58 is: 126,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,769.88 : 182,359.56 = 84,224.58 : x
  2. Step 2: Convert to fraction form
    121,769.88/182,359.56 = 84,224.58/x
  3. Step 3: Cross multiply
    121,769.88x = 182,359.56 × 84,224.58
  4. Step 4: Simplify right side
    121,769.88x = 15,359,157,349.98
  5. Step 5: Solve for x
    x = 15,359,157,349.98/121,769.88
  6. Step 6: Final answer
    x = 126,132.65

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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.