Home / 80,182.41-120,260.55-26,897.97

Finding the Fourth Proportional to 80,182.41, 120,260.55 and 26,897.97

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Solution

The fourth proportional to 80,182.41, 120,260.55 and 26,897.97 is: 40,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,182.41 : 120,260.55 = 26,897.97 : x
  2. Step 2: Convert to fraction form
    80,182.41/120,260.55 = 26,897.97/x
  3. Step 3: Cross multiply
    80,182.41x = 120,260.55 × 26,897.97
  4. Step 4: Simplify right side
    80,182.41x = 3,234,765,066.63
  5. Step 5: Solve for x
    x = 3,234,765,066.63/80,182.41
  6. Step 6: Final answer
    x = 40,342.58

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1.5x scale

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.