Home / 189,290.73-261,221.40-108,733.85

Finding the Fourth Proportional to 189,290.73, 261,221.40 and 108,733.85

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Solution

The fourth proportional to 189,290.73, 261,221.40 and 108,733.85 is: 150,052.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,290.73 : 261,221.40 = 108,733.85 : x
  2. Step 2: Convert to fraction form
    189,290.73/261,221.40 = 108,733.85/x
  3. Step 3: Cross multiply
    189,290.73x = 261,221.40 × 108,733.85
  4. Step 4: Simplify right side
    189,290.73x = 28,403,607,218.28
  5. Step 5: Solve for x
    x = 28,403,607,218.28/189,290.73
  6. Step 6: Final answer
    x = 150,052.82

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1.5x scale

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.