Home / 164,071.20-226,422.96-92,447.28

Finding the Fourth Proportional to 164,071.20, 226,422.96 and 92,447.28

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Solution

The fourth proportional to 164,071.20, 226,422.96 and 92,447.28 is: 127,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,071.20 : 226,422.96 = 92,447.28 : x
  2. Step 2: Convert to fraction form
    164,071.20/226,422.96 = 92,447.28/x
  3. Step 3: Cross multiply
    164,071.20x = 226,422.96 × 92,447.28
  4. Step 4: Simplify right side
    164,071.20x = 20,932,186,781.55
  5. Step 5: Solve for x
    x = 20,932,186,781.55/164,071.20
  6. Step 6: Final answer
    x = 127,579.90

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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.