Home / 156,917.75-235,243.95-68,104.49

Finding the Fourth Proportional to 156,917.75, 235,243.95 and 68,104.49

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Solution

The fourth proportional to 156,917.75, 235,243.95 and 68,104.49 is: 102,099.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,917.75 : 235,243.95 = 68,104.49 : x
  2. Step 2: Convert to fraction form
    156,917.75/235,243.95 = 68,104.49/x
  3. Step 3: Cross multiply
    156,917.75x = 235,243.95 × 68,104.49
  4. Step 4: Simplify right side
    156,917.75x = 16,021,169,240.34
  5. Step 5: Solve for x
    x = 16,021,169,240.34/156,917.75
  6. Step 6: Final answer
    x = 102,099.15

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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.