Home / 140,919.46-194,468.84-77,257.70

Finding the Fourth Proportional to 140,919.46, 194,468.84 and 77,257.70

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Solution

The fourth proportional to 140,919.46, 194,468.84 and 77,257.70 is: 106,615.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,919.46 : 194,468.84 = 77,257.70 : x
  2. Step 2: Convert to fraction form
    140,919.46/194,468.84 = 77,257.70/x
  3. Step 3: Cross multiply
    140,919.46x = 194,468.84 × 77,257.70
  4. Step 4: Simplify right side
    140,919.46x = 15,024,215,300.07
  5. Step 5: Solve for x
    x = 15,024,215,300.07/140,919.46
  6. Step 6: Final answer
    x = 106,615.62

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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.