Home / 109,810.27-164,897.66-68,519.71

Finding the Fourth Proportional to 109,810.27, 164,897.66 and 68,519.71

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Solution

The fourth proportional to 109,810.27, 164,897.66 and 68,519.71 is: 102,893.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,810.27 : 164,897.66 = 68,519.71 : x
  2. Step 2: Convert to fraction form
    109,810.27/164,897.66 = 68,519.71/x
  3. Step 3: Cross multiply
    109,810.27x = 164,897.66 × 68,519.71
  4. Step 4: Simplify right side
    109,810.27x = 11,298,739,842.88
  5. Step 5: Solve for x
    x = 11,298,739,842.88/109,810.27
  6. Step 6: Final answer
    x = 102,893.29

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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.