Home / 126,348.59-189,748.77-121,269.06

Finding the Fourth Proportional to 126,348.59, 189,748.77 and 121,269.06

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Solution

The fourth proportional to 126,348.59, 189,748.77 and 121,269.06 is: 182,120.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,348.59 : 189,748.77 = 121,269.06 : x
  2. Step 2: Convert to fraction form
    126,348.59/189,748.77 = 121,269.06/x
  3. Step 3: Cross multiply
    126,348.59x = 189,748.77 × 121,269.06
  4. Step 4: Simplify right side
    126,348.59x = 23,010,653,418.97
  5. Step 5: Solve for x
    x = 23,010,653,418.97/126,348.59
  6. Step 6: Final answer
    x = 182,120.39

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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.