Home / 140,598.90-194,031.60-80,168.88

Finding the Fourth Proportional to 140,598.90, 194,031.60 and 80,168.88

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Solution

The fourth proportional to 140,598.90, 194,031.60 and 80,168.88 is: 110,635.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,598.90 : 194,031.60 = 80,168.88 : x
  2. Step 2: Convert to fraction form
    140,598.90/194,031.60 = 80,168.88/x
  3. Step 3: Cross multiply
    140,598.90x = 194,031.60 × 80,168.88
  4. Step 4: Simplify right side
    140,598.90x = 15,555,296,056.61
  5. Step 5: Solve for x
    x = 15,555,296,056.61/140,598.90
  6. Step 6: Final answer
    x = 110,635.97

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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.