Home / 230,121.96-345,182.94-72,364.20

Finding the Fourth Proportional to 230,121.96, 345,182.94 and 72,364.20

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Solution

The fourth proportional to 230,121.96, 345,182.94 and 72,364.20 is: 108,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,121.96 : 345,182.94 = 72,364.20 : x
  2. Step 2: Convert to fraction form
    230,121.96/345,182.94 = 72,364.20/x
  3. Step 3: Cross multiply
    230,121.96x = 345,182.94 × 72,364.20
  4. Step 4: Simplify right side
    230,121.96x = 24,978,887,306.75
  5. Step 5: Solve for x
    x = 24,978,887,306.75/230,121.96
  6. Step 6: Final answer
    x = 108,546.30

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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.