Home / 119,943.18-165,524.18-66,231.61

Finding the Fourth Proportional to 119,943.18, 165,524.18 and 66,231.61

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Solution

The fourth proportional to 119,943.18, 165,524.18 and 66,231.61 is: 91,401.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,943.18 : 165,524.18 = 66,231.61 : x
  2. Step 2: Convert to fraction form
    119,943.18/165,524.18 = 66,231.61/x
  3. Step 3: Cross multiply
    119,943.18x = 165,524.18 × 66,231.61
  4. Step 4: Simplify right side
    119,943.18x = 10,962,932,190.36
  5. Step 5: Solve for x
    x = 10,962,932,190.36/119,943.18
  6. Step 6: Final answer
    x = 91,401.05

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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.