Home / 131,873.28-182,039.04-91,645.44

Finding the Fourth Proportional to 131,873.28, 182,039.04 and 91,645.44

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Solution

The fourth proportional to 131,873.28, 182,039.04 and 91,645.44 is: 126,508.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,873.28 : 182,039.04 = 91,645.44 : x
  2. Step 2: Convert to fraction form
    131,873.28/182,039.04 = 91,645.44/x
  3. Step 3: Cross multiply
    131,873.28x = 182,039.04 × 91,645.44
  4. Step 4: Simplify right side
    131,873.28x = 16,683,047,917.98
  5. Step 5: Solve for x
    x = 16,683,047,917.98/131,873.28
  6. Step 6: Final answer
    x = 126,508.17

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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.