Home / 140,796.20-194,297.13-76,264.20

Finding the Fourth Proportional to 140,796.20, 194,297.13 and 76,264.20

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Solution

The fourth proportional to 140,796.20, 194,297.13 and 76,264.20 is: 105,243.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,796.20 : 194,297.13 = 76,264.20 : x
  2. Step 2: Convert to fraction form
    140,796.20/194,297.13 = 76,264.20/x
  3. Step 3: Cross multiply
    140,796.20x = 194,297.13 × 76,264.20
  4. Step 4: Simplify right side
    140,796.20x = 14,817,915,181.75
  5. Step 5: Solve for x
    x = 14,817,915,181.75/140,796.20
  6. Step 6: Final answer
    x = 105,243.72

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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.