Home / 154,940.82-232,372.97-42,615.60

Finding the Fourth Proportional to 154,940.82, 232,372.97 and 42,615.60

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Solution

The fourth proportional to 154,940.82, 232,372.97 and 42,615.60 is: 63,912.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,940.82 : 232,372.97 = 42,615.60 : x
  2. Step 2: Convert to fraction form
    154,940.82/232,372.97 = 42,615.60/x
  3. Step 3: Cross multiply
    154,940.82x = 232,372.97 × 42,615.60
  4. Step 4: Simplify right side
    154,940.82x = 9,902,713,327.25
  5. Step 5: Solve for x
    x = 9,902,713,327.25/154,940.82
  6. Step 6: Final answer
    x = 63,912.88

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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.