Home / 197,785.28-296,744.16-64,671.68

Finding the Fourth Proportional to 197,785.28, 296,744.16 and 64,671.68

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Solution

The fourth proportional to 197,785.28, 296,744.16 and 64,671.68 is: 97,029.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,785.28 : 296,744.16 = 64,671.68 : x
  2. Step 2: Convert to fraction form
    197,785.28/296,744.16 = 64,671.68/x
  3. Step 3: Cross multiply
    197,785.28x = 296,744.16 × 64,671.68
  4. Step 4: Simplify right side
    197,785.28x = 19,190,943,357.39
  5. Step 5: Solve for x
    x = 19,190,943,357.39/197,785.28
  6. Step 6: Final answer
    x = 97,029.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.