Home / 140,772.84-194,272.74-80,359.80

Finding the Fourth Proportional to 140,772.84, 194,272.74 and 80,359.80

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Solution

The fourth proportional to 140,772.84, 194,272.74 and 80,359.80 is: 110,900.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,772.84 : 194,272.74 = 80,359.80 : x
  2. Step 2: Convert to fraction form
    140,772.84/194,272.74 = 80,359.80/x
  3. Step 3: Cross multiply
    140,772.84x = 194,272.74 × 80,359.80
  4. Step 4: Simplify right side
    140,772.84x = 15,611,718,531.85
  5. Step 5: Solve for x
    x = 15,611,718,531.85/140,772.84
  6. Step 6: Final answer
    x = 110,900.08

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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.