Home / 154,285.66-231,455.94-54,503.74

Finding the Fourth Proportional to 154,285.66, 231,455.94 and 54,503.74

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Solution

The fourth proportional to 154,285.66, 231,455.94 and 54,503.74 is: 81,765.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,285.66 : 231,455.94 = 54,503.74 : x
  2. Step 2: Convert to fraction form
    154,285.66/231,455.94 = 54,503.74/x
  3. Step 3: Cross multiply
    154,285.66x = 231,455.94 × 54,503.74
  4. Step 4: Simplify right side
    154,285.66x = 12,615,214,375.22
  5. Step 5: Solve for x
    x = 12,615,214,375.22/154,285.66
  6. Step 6: Final answer
    x = 81,765.31

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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.