Home / 221,747.09-306,010.91-119,772.50

Finding the Fourth Proportional to 221,747.09, 306,010.91 and 119,772.50

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Solution

The fourth proportional to 221,747.09, 306,010.91 and 119,772.50 is: 165,286.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,747.09 : 306,010.91 = 119,772.50 : x
  2. Step 2: Convert to fraction form
    221,747.09/306,010.91 = 119,772.50/x
  3. Step 3: Cross multiply
    221,747.09x = 306,010.91 × 119,772.50
  4. Step 4: Simplify right side
    221,747.09x = 36,651,690,487.35
  5. Step 5: Solve for x
    x = 36,651,690,487.35/221,747.09
  6. Step 6: Final answer
    x = 165,286.01

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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.