Home / 197,722.66-272,856.85-107,078.59

Finding the Fourth Proportional to 197,722.66, 272,856.85 and 107,078.59

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Solution

The fourth proportional to 197,722.66, 272,856.85 and 107,078.59 is: 147,768.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,722.66 : 272,856.85 = 107,078.59 : x
  2. Step 2: Convert to fraction form
    197,722.66/272,856.85 = 107,078.59/x
  3. Step 3: Cross multiply
    197,722.66x = 272,856.85 × 107,078.59
  4. Step 4: Simplify right side
    197,722.66x = 29,217,126,769.84
  5. Step 5: Solve for x
    x = 29,217,126,769.84/197,722.66
  6. Step 6: Final answer
    x = 147,768.23

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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.