Home / 172,318.46-258,477.82-53,999.01

Finding the Fourth Proportional to 172,318.46, 258,477.82 and 53,999.01

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Solution

The fourth proportional to 172,318.46, 258,477.82 and 53,999.01 is: 80,998.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,318.46 : 258,477.82 = 53,999.01 : x
  2. Step 2: Convert to fraction form
    172,318.46/258,477.82 = 53,999.01/x
  3. Step 3: Cross multiply
    172,318.46x = 258,477.82 × 53,999.01
  4. Step 4: Simplify right side
    172,318.46x = 13,957,546,251.96
  5. Step 5: Solve for x
    x = 13,957,546,251.96/172,318.46
  6. Step 6: Final answer
    x = 80,998.56

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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.