Home / 156,917.49-235,243.59-68,104.23

Finding the Fourth Proportional to 156,917.49, 235,243.59 and 68,104.23

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Solution

The fourth proportional to 156,917.49, 235,243.59 and 68,104.23 is: 102,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,917.49 : 235,243.59 = 68,104.23 : x
  2. Step 2: Convert to fraction form
    156,917.49/235,243.59 = 68,104.23/x
  3. Step 3: Cross multiply
    156,917.49x = 235,243.59 × 68,104.23
  4. Step 4: Simplify right side
    156,917.49x = 16,021,083,559.39
  5. Step 5: Solve for x
    x = 16,021,083,559.39/156,917.49
  6. Step 6: Final answer
    x = 102,098.78

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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.