Home / 221,150.50-331,725.66-71,412.82

Finding the Fourth Proportional to 221,150.50, 331,725.66 and 71,412.82

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Solution

The fourth proportional to 221,150.50, 331,725.66 and 71,412.82 is: 107,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,150.50 : 331,725.66 = 71,412.82 : x
  2. Step 2: Convert to fraction form
    221,150.50/331,725.66 = 71,412.82/x
  3. Step 3: Cross multiply
    221,150.50x = 331,725.66 × 71,412.82
  4. Step 4: Simplify right side
    221,150.50x = 23,689,464,846.96
  5. Step 5: Solve for x
    x = 23,689,464,846.96/221,150.50
  6. Step 6: Final answer
    x = 107,119.20

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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.