Home / 197,722.82-272,856.06-107,076.70

Finding the Fourth Proportional to 197,722.82, 272,856.06 and 107,076.70

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Solution

The fourth proportional to 197,722.82, 272,856.06 and 107,076.70 is: 147,765.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,722.82 : 272,856.06 = 107,076.70 : x
  2. Step 2: Convert to fraction form
    197,722.82/272,856.06 = 107,076.70/x
  3. Step 3: Cross multiply
    197,722.82x = 272,856.06 × 107,076.70
  4. Step 4: Simplify right side
    197,722.82x = 29,216,526,820.87
  5. Step 5: Solve for x
    x = 29,216,526,820.87/197,722.82
  6. Step 6: Final answer
    x = 147,765.07

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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.