Home / 126,835.86-175,033.05-73,120.62

Finding the Fourth Proportional to 126,835.86, 175,033.05 and 73,120.62

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Solution

The fourth proportional to 126,835.86, 175,033.05 and 73,120.62 is: 100,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,835.86 : 175,033.05 = 73,120.62 : x
  2. Step 2: Convert to fraction form
    126,835.86/175,033.05 = 73,120.62/x
  3. Step 3: Cross multiply
    126,835.86x = 175,033.05 × 73,120.62
  4. Step 4: Simplify right side
    126,835.86x = 12,798,525,136.49
  5. Step 5: Solve for x
    x = 12,798,525,136.49/126,835.86
  6. Step 6: Final answer
    x = 100,906.20

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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.