Home / 197,104.75-272,005.77-107,680.75

Finding the Fourth Proportional to 197,104.75, 272,005.77 and 107,680.75

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Solution

The fourth proportional to 197,104.75, 272,005.77 and 107,680.75 is: 148,600.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,104.75 : 272,005.77 = 107,680.75 : x
  2. Step 2: Convert to fraction form
    197,104.75/272,005.77 = 107,680.75/x
  3. Step 3: Cross multiply
    197,104.75x = 272,005.77 × 107,680.75
  4. Step 4: Simplify right side
    197,104.75x = 29,289,785,317.93
  5. Step 5: Solve for x
    x = 29,289,785,317.93/197,104.75
  6. Step 6: Final answer
    x = 148,600.10

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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.