Home / 163,948.20-226,256.94-100,266

Finding the Fourth Proportional to 163,948.20, 226,256.94 and 100,266

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Solution

The fourth proportional to 163,948.20, 226,256.94 and 100,266 is: 138,372.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,948.20 : 226,256.94 = 100,266 : x
  2. Step 2: Convert to fraction form
    163,948.20/226,256.94 = 100,266/x
  3. Step 3: Cross multiply
    163,948.20x = 226,256.94 × 100,266
  4. Step 4: Simplify right side
    163,948.20x = 22,685,878,346.04
  5. Step 5: Solve for x
    x = 22,685,878,346.04/163,948.20
  6. Step 6: Final answer
    x = 138,372.23

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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.