Home / 172,444.31-258,677.38-54,120.32

Finding the Fourth Proportional to 172,444.31, 258,677.38 and 54,120.32

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Solution

The fourth proportional to 172,444.31, 258,677.38 and 54,120.32 is: 81,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,444.31 : 258,677.38 = 54,120.32 : x
  2. Step 2: Convert to fraction form
    172,444.31/258,677.38 = 54,120.32/x
  3. Step 3: Cross multiply
    172,444.31x = 258,677.38 × 54,120.32
  4. Step 4: Simplify right side
    172,444.31x = 13,999,702,326.67
  5. Step 5: Solve for x
    x = 13,999,702,326.67/172,444.31
  6. Step 6: Final answer
    x = 81,183.90

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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.