Home / 197,660.28-272,767.88-107,015.51

Finding the Fourth Proportional to 197,660.28, 272,767.88 and 107,015.51

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Solution

The fourth proportional to 197,660.28, 272,767.88 and 107,015.51 is: 147,679.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,660.28 : 272,767.88 = 107,015.51 : x
  2. Step 2: Convert to fraction form
    197,660.28/272,767.88 = 107,015.51/x
  3. Step 3: Cross multiply
    197,660.28x = 272,767.88 × 107,015.51
  4. Step 4: Simplify right side
    197,660.28x = 29,190,393,315.09
  5. Step 5: Solve for x
    x = 29,190,393,315.09/197,660.28
  6. Step 6: Final answer
    x = 147,679.61

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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.