Home / 231,746.20-347,360.10-131,954.20

Finding the Fourth Proportional to 231,746.20, 347,360.10 and 131,954.20

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Solution

The fourth proportional to 231,746.20, 347,360.10 and 131,954.20 is: 197,783.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,746.20 : 347,360.10 = 131,954.20 : x
  2. Step 2: Convert to fraction form
    231,746.20/347,360.10 = 131,954.20/x
  3. Step 3: Cross multiply
    231,746.20x = 347,360.10 × 131,954.20
  4. Step 4: Simplify right side
    231,746.20x = 45,835,624,107.42
  5. Step 5: Solve for x
    x = 45,835,624,107.42/231,746.20
  6. Step 6: Final answer
    x = 197,783.71

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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.