Home / 141,135.21-194,766.30-77,471.64

Finding the Fourth Proportional to 141,135.21, 194,766.30 and 77,471.64

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Solution

The fourth proportional to 141,135.21, 194,766.30 and 77,471.64 is: 106,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,135.21 : 194,766.30 = 77,471.64 : x
  2. Step 2: Convert to fraction form
    141,135.21/194,766.30 = 77,471.64/x
  3. Step 3: Cross multiply
    141,135.21x = 194,766.30 × 77,471.64
  4. Step 4: Simplify right side
    141,135.21x = 15,088,864,677.73
  5. Step 5: Solve for x
    x = 15,088,864,677.73/141,135.21
  6. Step 6: Final answer
    x = 106,910.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.