Home / 154,239.60-231,383.70-49,069.20

Finding the Fourth Proportional to 154,239.60, 231,383.70 and 49,069.20

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Solution

The fourth proportional to 154,239.60, 231,383.70 and 49,069.20 is: 73,611.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,239.60 : 231,383.70 = 49,069.20 : x
  2. Step 2: Convert to fraction form
    154,239.60/231,383.70 = 49,069.20/x
  3. Step 3: Cross multiply
    154,239.60x = 231,383.70 × 49,069.20
  4. Step 4: Simplify right side
    154,239.60x = 11,353,813,052.04
  5. Step 5: Solve for x
    x = 11,353,813,052.04/154,239.60
  6. Step 6: Final answer
    x = 73,611.53

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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.