Home / 126,835.76-190,255.50-60,282.68

Finding the Fourth Proportional to 126,835.76, 190,255.50 and 60,282.68

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Solution

The fourth proportional to 126,835.76, 190,255.50 and 60,282.68 is: 90,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,835.76 : 190,255.50 = 60,282.68 : x
  2. Step 2: Convert to fraction form
    126,835.76/190,255.50 = 60,282.68/x
  3. Step 3: Cross multiply
    126,835.76x = 190,255.50 × 60,282.68
  4. Step 4: Simplify right side
    126,835.76x = 11,469,111,424.74
  5. Step 5: Solve for x
    x = 11,469,111,424.74/126,835.76
  6. Step 6: Final answer
    x = 90,424.90

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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.