Home / 221,110.88-331,005.29-135,451.90

Finding the Fourth Proportional to 221,110.88, 331,005.29 and 135,451.90

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Solution

The fourth proportional to 221,110.88, 331,005.29 and 135,451.90 is: 202,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,110.88 : 331,005.29 = 135,451.90 : x
  2. Step 2: Convert to fraction form
    221,110.88/331,005.29 = 135,451.90/x
  3. Step 3: Cross multiply
    221,110.88x = 331,005.29 × 135,451.90
  4. Step 4: Simplify right side
    221,110.88x = 44,835,294,951.67
  5. Step 5: Solve for x
    x = 44,835,294,951.67/221,110.88
  6. Step 6: Final answer
    x = 202,772.90

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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.