Home / 163,762.56-225,996.48-100,135.44

Finding the Fourth Proportional to 163,762.56, 225,996.48 and 100,135.44

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Solution

The fourth proportional to 163,762.56, 225,996.48 and 100,135.44 is: 138,189.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,762.56 : 225,996.48 = 100,135.44 : x
  2. Step 2: Convert to fraction form
    163,762.56/225,996.48 = 100,135.44/x
  3. Step 3: Cross multiply
    163,762.56x = 225,996.48 × 100,135.44
  4. Step 4: Simplify right side
    163,762.56x = 22,630,256,963.25
  5. Step 5: Solve for x
    x = 22,630,256,963.25/163,762.56
  6. Step 6: Final answer
    x = 138,189.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.