Home / 230,245.50-345,565.08-90,102.54

Finding the Fourth Proportional to 230,245.50, 345,565.08 and 90,102.54

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Solution

The fourth proportional to 230,245.50, 345,565.08 and 90,102.54 is: 135,230.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,245.50 : 345,565.08 = 90,102.54 : x
  2. Step 2: Convert to fraction form
    230,245.50/345,565.08 = 90,102.54/x
  3. Step 3: Cross multiply
    230,245.50x = 345,565.08 × 90,102.54
  4. Step 4: Simplify right side
    230,245.50x = 31,136,291,443.30
  5. Step 5: Solve for x
    x = 31,136,291,443.30/230,245.50
  6. Step 6: Final answer
    x = 135,230.84

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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.