Home / 172,066.92-258,087.61-72,223.08

Finding the Fourth Proportional to 172,066.92, 258,087.61 and 72,223.08

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Solution

The fourth proportional to 172,066.92, 258,087.61 and 72,223.08 is: 108,329.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,066.92 : 258,087.61 = 72,223.08 : x
  2. Step 2: Convert to fraction form
    172,066.92/258,087.61 = 72,223.08/x
  3. Step 3: Cross multiply
    172,066.92x = 258,087.61 × 72,223.08
  4. Step 4: Simplify right side
    172,066.92x = 18,639,882,104.04
  5. Step 5: Solve for x
    x = 18,639,882,104.04/172,066.92
  6. Step 6: Final answer
    x = 108,329.26

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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.