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Finding the Fourth Proportional to 172,885.77, 259,336.77 and 84,033.36

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Solution

The fourth proportional to 172,885.77, 259,336.77 and 84,033.36 is: 126,053.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,885.77 : 259,336.77 = 84,033.36 : x
  2. Step 2: Convert to fraction form
    172,885.77/259,336.77 = 84,033.36/x
  3. Step 3: Cross multiply
    172,885.77x = 259,336.77 × 84,033.36
  4. Step 4: Simplify right side
    172,885.77x = 21,792,940,154.65
  5. Step 5: Solve for x
    x = 21,792,940,154.65/172,885.77
  6. Step 6: Final answer
    x = 126,053.98

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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.