Home / 243,396.30-365,231.91-131,074.14

Finding the Fourth Proportional to 243,396.30, 365,231.91 and 131,074.14

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Solution

The fourth proportional to 243,396.30, 365,231.91 and 131,074.14 is: 196,685.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,396.30 : 365,231.91 = 131,074.14 : x
  2. Step 2: Convert to fraction form
    243,396.30/365,231.91 = 131,074.14/x
  3. Step 3: Cross multiply
    243,396.30x = 365,231.91 × 131,074.14
  4. Step 4: Simplify right side
    243,396.30x = 47,872,458,503.81
  5. Step 5: Solve for x
    x = 47,872,458,503.81/243,396.30
  6. Step 6: Final answer
    x = 196,685.24

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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.