Home / 172,725.14-259,087.71-67,470.30

Finding the Fourth Proportional to 172,725.14, 259,087.71 and 67,470.30

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Solution

The fourth proportional to 172,725.14, 259,087.71 and 67,470.30 is: 101,205.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,725.14 : 259,087.71 = 67,470.30 : x
  2. Step 2: Convert to fraction form
    172,725.14/259,087.71 = 67,470.30/x
  3. Step 3: Cross multiply
    172,725.14x = 259,087.71 × 67,470.30
  4. Step 4: Simplify right side
    172,725.14x = 17,480,725,520.01
  5. Step 5: Solve for x
    x = 17,480,725,520.01/172,725.14
  6. Step 6: Final answer
    x = 101,205.45

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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.