Home / 231,923.20-347,836.20-113,679.40

Finding the Fourth Proportional to 231,923.20, 347,836.20 and 113,679.40

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Solution

The fourth proportional to 231,923.20, 347,836.20 and 113,679.40 is: 170,495.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,923.20 : 347,836.20 = 113,679.40 : x
  2. Step 2: Convert to fraction form
    231,923.20/347,836.20 = 113,679.40/x
  3. Step 3: Cross multiply
    231,923.20x = 347,836.20 × 113,679.40
  4. Step 4: Simplify right side
    231,923.20x = 39,541,810,514.28
  5. Step 5: Solve for x
    x = 39,541,810,514.28/231,923.20
  6. Step 6: Final answer
    x = 170,495.28

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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.