Home / 154,080.80-231,121.20-106,841.60

Finding the Fourth Proportional to 154,080.80, 231,121.20 and 106,841.60

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Solution

The fourth proportional to 154,080.80, 231,121.20 and 106,841.60 is: 160,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,080.80 : 231,121.20 = 106,841.60 : x
  2. Step 2: Convert to fraction form
    154,080.80/231,121.20 = 106,841.60/x
  3. Step 3: Cross multiply
    154,080.80x = 231,121.20 × 106,841.60
  4. Step 4: Simplify right side
    154,080.80x = 24,693,358,801.92
  5. Step 5: Solve for x
    x = 24,693,358,801.92/154,080.80
  6. Step 6: Final answer
    x = 160,262.40

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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.