Home / 251,147.75-346,584.03-137,977.79

Finding the Fourth Proportional to 251,147.75, 346,584.03 and 137,977.79

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Solution

The fourth proportional to 251,147.75, 346,584.03 and 137,977.79 is: 190,409.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,147.75 : 346,584.03 = 137,977.79 : x
  2. Step 2: Convert to fraction form
    251,147.75/346,584.03 = 137,977.79/x
  3. Step 3: Cross multiply
    251,147.75x = 346,584.03 × 137,977.79
  4. Step 4: Simplify right side
    251,147.75x = 47,820,898,508.69
  5. Step 5: Solve for x
    x = 47,820,898,508.69/251,147.75
  6. Step 6: Final answer
    x = 190,409.42

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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.