Home / 172,238.42-258,367.69-52,299.28

Finding the Fourth Proportional to 172,238.42, 258,367.69 and 52,299.28

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Solution

The fourth proportional to 172,238.42, 258,367.69 and 52,299.28 is: 78,451.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,238.42 : 258,367.69 = 52,299.28 : x
  2. Step 2: Convert to fraction form
    172,238.42/258,367.69 = 52,299.28/x
  3. Step 3: Cross multiply
    172,238.42x = 258,367.69 × 52,299.28
  4. Step 4: Simplify right side
    172,238.42x = 13,512,444,162.26
  5. Step 5: Solve for x
    x = 13,512,444,162.26/172,238.42
  6. Step 6: Final answer
    x = 78,451.97

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1.5x scale

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.