Home / 164,388.08-226,842.63-100,717.22

Finding the Fourth Proportional to 164,388.08, 226,842.63 and 100,717.22

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Solution

The fourth proportional to 164,388.08, 226,842.63 and 100,717.22 is: 138,981.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,388.08 : 226,842.63 = 100,717.22 : x
  2. Step 2: Convert to fraction form
    164,388.08/226,842.63 = 100,717.22/x
  3. Step 3: Cross multiply
    164,388.08x = 226,842.63 × 100,717.22
  4. Step 4: Simplify right side
    164,388.08x = 22,846,959,071.09
  5. Step 5: Solve for x
    x = 22,846,959,071.09/164,388.08
  6. Step 6: Final answer
    x = 138,981.85

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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.