Home / 165,505.44-248,297.04-47,178.48

Finding the Fourth Proportional to 165,505.44, 248,297.04 and 47,178.48

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Solution

The fourth proportional to 165,505.44, 248,297.04 and 47,178.48 is: 70,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,505.44 : 248,297.04 = 47,178.48 : x
  2. Step 2: Convert to fraction form
    165,505.44/248,297.04 = 47,178.48/x
  3. Step 3: Cross multiply
    165,505.44x = 248,297.04 × 47,178.48
  4. Step 4: Simplify right side
    165,505.44x = 11,714,276,935.70
  5. Step 5: Solve for x
    x = 11,714,276,935.70/165,505.44
  6. Step 6: Final answer
    x = 70,778.80

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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.