Home / 218,297.82-327,501.20-76,145.12

Finding the Fourth Proportional to 218,297.82, 327,501.20 and 76,145.12

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Solution

The fourth proportional to 218,297.82, 327,501.20 and 76,145.12 is: 114,236.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,297.82 : 327,501.20 = 76,145.12 : x
  2. Step 2: Convert to fraction form
    218,297.82/327,501.20 = 76,145.12/x
  3. Step 3: Cross multiply
    218,297.82x = 327,501.20 × 76,145.12
  4. Step 4: Simplify right side
    218,297.82x = 24,937,618,174.14
  5. Step 5: Solve for x
    x = 24,937,618,174.14/218,297.82
  6. Step 6: Final answer
    x = 114,236.68

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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.