Home / 105,002.10-144,902.97-57,255.54

Finding the Fourth Proportional to 105,002.10, 144,902.97 and 57,255.54

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Solution

The fourth proportional to 105,002.10, 144,902.97 and 57,255.54 is: 79,012.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,002.10 : 144,902.97 = 57,255.54 : x
  2. Step 2: Convert to fraction form
    105,002.10/144,902.97 = 57,255.54/x
  3. Step 3: Cross multiply
    105,002.10x = 144,902.97 × 57,255.54
  4. Step 4: Simplify right side
    105,002.10x = 8,296,497,794.95
  5. Step 5: Solve for x
    x = 8,296,497,794.95/105,002.10
  6. Step 6: Final answer
    x = 79,012.68

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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.