Home / 140,772.42-194,265.77-76,241.62

Finding the Fourth Proportional to 140,772.42, 194,265.77 and 76,241.62

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Solution

The fourth proportional to 140,772.42, 194,265.77 and 76,241.62 is: 105,213.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,772.42 : 194,265.77 = 76,241.62 : x
  2. Step 2: Convert to fraction form
    140,772.42/194,265.77 = 76,241.62/x
  3. Step 3: Cross multiply
    140,772.42x = 194,265.77 × 76,241.62
  4. Step 4: Simplify right side
    140,772.42x = 14,811,137,691.62
  5. Step 5: Solve for x
    x = 14,811,137,691.62/140,772.42
  6. Step 6: Final answer
    x = 105,213.35

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1.5x scale

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.