Home / 221,171.25-331,756.88-73,427.25

Finding the Fourth Proportional to 221,171.25, 331,756.88 and 73,427.25

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Solution

The fourth proportional to 221,171.25, 331,756.88 and 73,427.25 is: 110,140.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,171.25 : 331,756.88 = 73,427.25 : x
  2. Step 2: Convert to fraction form
    221,171.25/331,756.88 = 73,427.25/x
  3. Step 3: Cross multiply
    221,171.25x = 331,756.88 × 73,427.25
  4. Step 4: Simplify right side
    221,171.25x = 24,359,995,366.98
  5. Step 5: Solve for x
    x = 24,359,995,366.98/221,171.25
  6. Step 6: Final answer
    x = 110,140.88

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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.