Home / 81,118.92-121,682.72-24,997.58

Finding the Fourth Proportional to 81,118.92, 121,682.72 and 24,997.58

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Solution

The fourth proportional to 81,118.92, 121,682.72 and 24,997.58 is: 37,497.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,118.92 : 121,682.72 = 24,997.58 : x
  2. Step 2: Convert to fraction form
    81,118.92/121,682.72 = 24,997.58/x
  3. Step 3: Cross multiply
    81,118.92x = 121,682.72 × 24,997.58
  4. Step 4: Simplify right side
    81,118.92x = 3,041,773,527.82
  5. Step 5: Solve for x
    x = 3,041,773,527.82/81,118.92
  6. Step 6: Final answer
    x = 37,497.71

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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.