Home / 172,835.94-259,253.58-67,581.09

Finding the Fourth Proportional to 172,835.94, 259,253.58 and 67,581.09

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Solution

The fourth proportional to 172,835.94, 259,253.58 and 67,581.09 is: 101,371.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,835.94 : 259,253.58 = 67,581.09 : x
  2. Step 2: Convert to fraction form
    172,835.94/259,253.58 = 67,581.09/x
  3. Step 3: Cross multiply
    172,835.94x = 259,253.58 × 67,581.09
  4. Step 4: Simplify right side
    172,835.94x = 17,520,639,522.80
  5. Step 5: Solve for x
    x = 17,520,639,522.80/172,835.94
  6. Step 6: Final answer
    x = 101,371.51

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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.