Home / 131,568.57-197,355.29-42,821.73

Finding the Fourth Proportional to 131,568.57, 197,355.29 and 42,821.73

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Solution

The fourth proportional to 131,568.57, 197,355.29 and 42,821.73 is: 64,233.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,568.57 : 197,355.29 = 42,821.73 : x
  2. Step 2: Convert to fraction form
    131,568.57/197,355.29 = 42,821.73/x
  3. Step 3: Cross multiply
    131,568.57x = 197,355.29 × 42,821.73
  4. Step 4: Simplify right side
    131,568.57x = 8,451,094,728.34
  5. Step 5: Solve for x
    x = 8,451,094,728.34/131,568.57
  6. Step 6: Final answer
    x = 64,233.39

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1.5x scale

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.