Home / 230,152.16-345,229.14-80,391.86

Finding the Fourth Proportional to 230,152.16, 345,229.14 and 80,391.86

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Solution

The fourth proportional to 230,152.16, 345,229.14 and 80,391.86 is: 120,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,152.16 : 345,229.14 = 80,391.86 : x
  2. Step 2: Convert to fraction form
    230,152.16/345,229.14 = 80,391.86/x
  3. Step 3: Cross multiply
    230,152.16x = 345,229.14 × 80,391.86
  4. Step 4: Simplify right side
    230,152.16x = 27,753,612,690.80
  5. Step 5: Solve for x
    x = 27,753,612,690.80/230,152.16
  6. Step 6: Final answer
    x = 120,588.10

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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.