Home / 172,612.84-238,171.62-109,037.80

Finding the Fourth Proportional to 172,612.84, 238,171.62 and 109,037.80

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Solution

The fourth proportional to 172,612.84, 238,171.62 and 109,037.80 is: 150,450.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,612.84 : 238,171.62 = 109,037.80 : x
  2. Step 2: Convert to fraction form
    172,612.84/238,171.62 = 109,037.80/x
  3. Step 3: Cross multiply
    172,612.84x = 238,171.62 × 109,037.80
  4. Step 4: Simplify right side
    172,612.84x = 25,969,709,467.24
  5. Step 5: Solve for x
    x = 25,969,709,467.24/172,612.84
  6. Step 6: Final answer
    x = 150,450.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.