Home / 218,119.12-327,274.24-105,885.52

Finding the Fourth Proportional to 218,119.12, 327,274.24 and 105,885.52

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Solution

The fourth proportional to 218,119.12, 327,274.24 and 105,885.52 is: 158,874.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,119.12 : 327,274.24 = 105,885.52 : x
  2. Step 2: Convert to fraction form
    218,119.12/327,274.24 = 105,885.52/x
  3. Step 3: Cross multiply
    218,119.12x = 327,274.24 × 105,885.52
  4. Step 4: Simplify right side
    218,119.12x = 34,653,603,085.00
  5. Step 5: Solve for x
    x = 34,653,603,085.00/218,119.12
  6. Step 6: Final answer
    x = 158,874.67

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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.