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Finding the Fourth Proportional to 154,080.20, 230,904.30 and 122,544.20

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Solution

The fourth proportional to 154,080.20, 230,904.30 and 122,544.20 is: 183,644.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,080.20 : 230,904.30 = 122,544.20 : x
  2. Step 2: Convert to fraction form
    154,080.20/230,904.30 = 122,544.20/x
  3. Step 3: Cross multiply
    154,080.20x = 230,904.30 × 122,544.20
  4. Step 4: Simplify right side
    154,080.20x = 28,295,982,720.06
  5. Step 5: Solve for x
    x = 28,295,982,720.06/154,080.20
  6. Step 6: Final answer
    x = 183,644.51

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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.