Home / 231,165.40-346,863.30-131,402.20

Finding the Fourth Proportional to 231,165.40, 346,863.30 and 131,402.20

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Solution

The fourth proportional to 231,165.40, 346,863.30 and 131,402.20 is: 197,168.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,165.40 : 346,863.30 = 131,402.20 : x
  2. Step 2: Convert to fraction form
    231,165.40/346,863.30 = 131,402.20/x
  3. Step 3: Cross multiply
    231,165.40x = 346,863.30 × 131,402.20
  4. Step 4: Simplify right side
    231,165.40x = 45,578,600,719.26
  5. Step 5: Solve for x
    x = 45,578,600,719.26/231,165.40
  6. Step 6: Final answer
    x = 197,168.78

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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.