Home / 140,635.61-194,076.45-76,104.80

Finding the Fourth Proportional to 140,635.61, 194,076.45 and 76,104.80

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Solution

The fourth proportional to 140,635.61, 194,076.45 and 76,104.80 is: 105,024.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,635.61 : 194,076.45 = 76,104.80 : x
  2. Step 2: Convert to fraction form
    140,635.61/194,076.45 = 76,104.80/x
  3. Step 3: Cross multiply
    140,635.61x = 194,076.45 × 76,104.80
  4. Step 4: Simplify right side
    140,635.61x = 14,770,149,411.96
  5. Step 5: Solve for x
    x = 14,770,149,411.96/140,635.61
  6. Step 6: Final answer
    x = 105,024.25

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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.