Home / 231,389.20-346,853.40-106,512.40

Finding the Fourth Proportional to 231,389.20, 346,853.40 and 106,512.40

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Solution

The fourth proportional to 231,389.20, 346,853.40 and 106,512.40 is: 159,662.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,389.20 : 346,853.40 = 106,512.40 : x
  2. Step 2: Convert to fraction form
    231,389.20/346,853.40 = 106,512.40/x
  3. Step 3: Cross multiply
    231,389.20x = 346,853.40 × 106,512.40
  4. Step 4: Simplify right side
    231,389.20x = 36,944,188,082.16
  5. Step 5: Solve for x
    x = 36,944,188,082.16/231,389.20
  6. Step 6: Final answer
    x = 159,662.54

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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.