Home / 170,439.89-255,659.82-52,111.22

Finding the Fourth Proportional to 170,439.89, 255,659.82 and 52,111.22

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Solution

The fourth proportional to 170,439.89, 255,659.82 and 52,111.22 is: 78,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,439.89 : 255,659.82 = 52,111.22 : x
  2. Step 2: Convert to fraction form
    170,439.89/255,659.82 = 52,111.22/x
  3. Step 3: Cross multiply
    170,439.89x = 255,659.82 × 52,111.22
  4. Step 4: Simplify right side
    170,439.89x = 13,322,743,846.88
  5. Step 5: Solve for x
    x = 13,322,743,846.88/170,439.89
  6. Step 6: Final answer
    x = 78,166.82

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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.