Home / 198,065.56-297,286.98-122,958.40

Finding the Fourth Proportional to 198,065.56, 297,286.98 and 122,958.40

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Solution

The fourth proportional to 198,065.56, 297,286.98 and 122,958.40 is: 184,554.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,065.56 : 297,286.98 = 122,958.40 : x
  2. Step 2: Convert to fraction form
    198,065.56/297,286.98 = 122,958.40/x
  3. Step 3: Cross multiply
    198,065.56x = 297,286.98 × 122,958.40
  4. Step 4: Simplify right side
    198,065.56x = 36,553,931,401.63
  5. Step 5: Solve for x
    x = 36,553,931,401.63/198,065.56
  6. Step 6: Final answer
    x = 184,554.71

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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.