Home / 172,293.12-258,440.10-53,974.80

Finding the Fourth Proportional to 172,293.12, 258,440.10 and 53,974.80

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Solution

The fourth proportional to 172,293.12, 258,440.10 and 53,974.80 is: 80,962.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,293.12 : 258,440.10 = 53,974.80 : x
  2. Step 2: Convert to fraction form
    172,293.12/258,440.10 = 53,974.80/x
  3. Step 3: Cross multiply
    172,293.12x = 258,440.10 × 53,974.80
  4. Step 4: Simplify right side
    172,293.12x = 13,949,252,709.48
  5. Step 5: Solve for x
    x = 13,949,252,709.48/172,293.12
  6. Step 6: Final answer
    x = 80,962.33

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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.