Home / 129,683.58-194,211.88-107,332.44

Finding the Fourth Proportional to 129,683.58, 194,211.88 and 107,332.44

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Solution

The fourth proportional to 129,683.58, 194,211.88 and 107,332.44 is: 160,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,683.58 : 194,211.88 = 107,332.44 : x
  2. Step 2: Convert to fraction form
    129,683.58/194,211.88 = 107,332.44/x
  3. Step 3: Cross multiply
    129,683.58x = 194,211.88 × 107,332.44
  4. Step 4: Simplify right side
    129,683.58x = 20,845,234,957.39
  5. Step 5: Solve for x
    x = 20,845,234,957.39/129,683.58
  6. Step 6: Final answer
    x = 160,739.20

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1.5x scale

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.