Home / 170,077.30-255,152.85-51,745.56

Finding the Fourth Proportional to 170,077.30, 255,152.85 and 51,745.56

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Solution

The fourth proportional to 170,077.30, 255,152.85 and 51,745.56 is: 77,629.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,077.30 : 255,152.85 = 51,745.56 : x
  2. Step 2: Convert to fraction form
    170,077.30/255,152.85 = 51,745.56/x
  3. Step 3: Cross multiply
    170,077.30x = 255,152.85 × 51,745.56
  4. Step 4: Simplify right side
    170,077.30x = 13,203,027,108.85
  5. Step 5: Solve for x
    x = 13,203,027,108.85/170,077.30
  6. Step 6: Final answer
    x = 77,629.57

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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.