Home / 197,785.34-296,678.02-131,355.22

Finding the Fourth Proportional to 197,785.34, 296,678.02 and 131,355.22

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Solution

The fourth proportional to 197,785.34, 296,678.02 and 131,355.22 is: 197,032.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,785.34 : 296,678.02 = 131,355.22 : x
  2. Step 2: Convert to fraction form
    197,785.34/296,678.02 = 131,355.22/x
  3. Step 3: Cross multiply
    197,785.34x = 296,678.02 × 131,355.22
  4. Step 4: Simplify right side
    197,785.34x = 38,970,206,586.26
  5. Step 5: Solve for x
    x = 38,970,206,586.26/197,785.34
  6. Step 6: Final answer
    x = 197,032.84

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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.