Home / 165,418.56-248,108.11-45,487.69

Finding the Fourth Proportional to 165,418.56, 248,108.11 and 45,487.69

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Solution

The fourth proportional to 165,418.56, 248,108.11 and 45,487.69 is: 68,226.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,418.56 : 248,108.11 = 45,487.69 : x
  2. Step 2: Convert to fraction form
    165,418.56/248,108.11 = 45,487.69/x
  3. Step 3: Cross multiply
    165,418.56x = 248,108.11 × 45,487.69
  4. Step 4: Simplify right side
    165,418.56x = 11,285,864,060.18
  5. Step 5: Solve for x
    x = 11,285,864,060.18/165,418.56
  6. Step 6: Final answer
    x = 68,226.11

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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.