Home / 126,658.58-190,040.18-55,544.40

Finding the Fourth Proportional to 126,658.58, 190,040.18 and 55,544.40

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Solution

The fourth proportional to 126,658.58, 190,040.18 and 55,544.40 is: 83,339.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,658.58 : 190,040.18 = 55,544.40 : x
  2. Step 2: Convert to fraction form
    126,658.58/190,040.18 = 55,544.40/x
  3. Step 3: Cross multiply
    126,658.58x = 190,040.18 × 55,544.40
  4. Step 4: Simplify right side
    126,658.58x = 10,555,667,773.99
  5. Step 5: Solve for x
    x = 10,555,667,773.99/126,658.58
  6. Step 6: Final answer
    x = 83,339.54

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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.