Home / 126,658.83-190,040.55-55,544.65

Finding the Fourth Proportional to 126,658.83, 190,040.55 and 55,544.65

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Solution

The fourth proportional to 126,658.83, 190,040.55 and 55,544.65 is: 83,339.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,658.83 : 190,040.55 = 55,544.65 : x
  2. Step 2: Convert to fraction form
    126,658.83/190,040.55 = 55,544.65/x
  3. Step 3: Cross multiply
    126,658.83x = 190,040.55 × 55,544.65
  4. Step 4: Simplify right side
    126,658.83x = 10,555,735,835.56
  5. Step 5: Solve for x
    x = 10,555,735,835.56/126,658.83
  6. Step 6: Final answer
    x = 83,339.91

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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.