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Finding the Fourth Proportional to 154,080.60, 230,732.10 and 122,976.60

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Solution

The fourth proportional to 154,080.60, 230,732.10 and 122,976.60 is: 184,154.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,080.60 : 230,732.10 = 122,976.60 : x
  2. Step 2: Convert to fraction form
    154,080.60/230,732.10 = 122,976.60/x
  3. Step 3: Cross multiply
    154,080.60x = 230,732.10 × 122,976.60
  4. Step 4: Simplify right side
    154,080.60x = 28,374,649,168.86
  5. Step 5: Solve for x
    x = 28,374,649,168.86/154,080.60
  6. Step 6: Final answer
    x = 184,154.59

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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.