Home / 154,132.84-231,199.42-100,869.80

Finding the Fourth Proportional to 154,132.84, 231,199.42 and 100,869.80

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Solution

The fourth proportional to 154,132.84, 231,199.42 and 100,869.80 is: 151,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,132.84 : 231,199.42 = 100,869.80 : x
  2. Step 2: Convert to fraction form
    154,132.84/231,199.42 = 100,869.80/x
  3. Step 3: Cross multiply
    154,132.84x = 231,199.42 × 100,869.80
  4. Step 4: Simplify right side
    154,132.84x = 23,321,039,255.52
  5. Step 5: Solve for x
    x = 23,321,039,255.52/154,132.84
  6. Step 6: Final answer
    x = 151,304.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.