Home / 221,049.16-331,337.64-126,074.84

Finding the Fourth Proportional to 221,049.16, 331,337.64 and 126,074.84

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Solution

The fourth proportional to 221,049.16, 331,337.64 and 126,074.84 is: 188,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,049.16 : 331,337.64 = 126,074.84 : x
  2. Step 2: Convert to fraction form
    221,049.16/331,337.64 = 126,074.84/x
  3. Step 3: Cross multiply
    221,049.16x = 331,337.64 × 126,074.84
  4. Step 4: Simplify right side
    221,049.16x = 41,773,339,948.98
  5. Step 5: Solve for x
    x = 41,773,339,948.98/221,049.16
  6. Step 6: Final answer
    x = 188,977.60

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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.