Home / 178,757.39-268,135.74-45,637.60

Finding the Fourth Proportional to 178,757.39, 268,135.74 and 45,637.60

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Solution

The fourth proportional to 178,757.39, 268,135.74 and 45,637.60 is: 68,456.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,757.39 : 268,135.74 = 45,637.60 : x
  2. Step 2: Convert to fraction form
    178,757.39/268,135.74 = 45,637.60/x
  3. Step 3: Cross multiply
    178,757.39x = 268,135.74 × 45,637.60
  4. Step 4: Simplify right side
    178,757.39x = 12,237,071,647.82
  5. Step 5: Solve for x
    x = 12,237,071,647.82/178,757.39
  6. Step 6: Final answer
    x = 68,456.31

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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.