Home / 129,684.60-194,213.40-107,333.46

Finding the Fourth Proportional to 129,684.60, 194,213.40 and 107,333.46

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Solution

The fourth proportional to 129,684.60, 194,213.40 and 107,333.46 is: 160,740.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,684.60 : 194,213.40 = 107,333.46 : x
  2. Step 2: Convert to fraction form
    129,684.60/194,213.40 = 107,333.46/x
  3. Step 3: Cross multiply
    129,684.60x = 194,213.40 × 107,333.46
  4. Step 4: Simplify right side
    129,684.60x = 20,845,596,200.36
  5. Step 5: Solve for x
    x = 20,845,596,200.36/129,684.60
  6. Step 6: Final answer
    x = 160,740.72

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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.