Home / 172,331.64-258,497.60-54,012.33

Finding the Fourth Proportional to 172,331.64, 258,497.60 and 54,012.33

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Solution

The fourth proportional to 172,331.64, 258,497.60 and 54,012.33 is: 81,018.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,331.64 : 258,497.60 = 54,012.33 : x
  2. Step 2: Convert to fraction form
    172,331.64/258,497.60 = 54,012.33/x
  3. Step 3: Cross multiply
    172,331.64x = 258,497.60 × 54,012.33
  4. Step 4: Simplify right side
    172,331.64x = 13,962,057,405.35
  5. Step 5: Solve for x
    x = 13,962,057,405.35/172,331.64
  6. Step 6: Final answer
    x = 81,018.54

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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.