Home / 170,081.92-234,698.74-100,220.14

Finding the Fourth Proportional to 170,081.92, 234,698.74 and 100,220.14

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Solution

The fourth proportional to 170,081.92, 234,698.74 and 100,220.14 is: 138,295.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,081.92 : 234,698.74 = 100,220.14 : x
  2. Step 2: Convert to fraction form
    170,081.92/234,698.74 = 100,220.14/x
  3. Step 3: Cross multiply
    170,081.92x = 234,698.74 × 100,220.14
  4. Step 4: Simplify right side
    170,081.92x = 23,521,540,580.62
  5. Step 5: Solve for x
    x = 23,521,540,580.62/170,081.92
  6. Step 6: Final answer
    x = 138,295.36

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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.