Home / 141,019.40-211,529.10-131,177.90

Finding the Fourth Proportional to 141,019.40, 211,529.10 and 131,177.90

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Solution

The fourth proportional to 141,019.40, 211,529.10 and 131,177.90 is: 196,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,019.40 : 211,529.10 = 131,177.90 : x
  2. Step 2: Convert to fraction form
    141,019.40/211,529.10 = 131,177.90/x
  3. Step 3: Cross multiply
    141,019.40x = 211,529.10 × 131,177.90
  4. Step 4: Simplify right side
    141,019.40x = 27,747,943,126.89
  5. Step 5: Solve for x
    x = 27,747,943,126.89/141,019.40
  6. Step 6: Final answer
    x = 196,766.85

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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.