Home / 129,682.58-194,210.38-107,331.44

Finding the Fourth Proportional to 129,682.58, 194,210.38 and 107,331.44

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Solution

The fourth proportional to 129,682.58, 194,210.38 and 107,331.44 is: 160,737.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,682.58 : 194,210.38 = 107,331.44 : x
  2. Step 2: Convert to fraction form
    129,682.58/194,210.38 = 107,331.44/x
  3. Step 3: Cross multiply
    129,682.58x = 194,210.38 × 107,331.44
  4. Step 4: Simplify right side
    129,682.58x = 20,844,879,748.35
  5. Step 5: Solve for x
    x = 20,844,879,748.35/129,682.58
  6. Step 6: Final answer
    x = 160,737.70

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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.