Home / 216,526.83-324,624.67-131,119.11

Finding the Fourth Proportional to 216,526.83, 324,624.67 and 131,119.11

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Solution

The fourth proportional to 216,526.83, 324,624.67 and 131,119.11 is: 196,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,526.83 : 324,624.67 = 131,119.11 : x
  2. Step 2: Convert to fraction form
    216,526.83/324,624.67 = 131,119.11/x
  3. Step 3: Cross multiply
    216,526.83x = 324,624.67 × 131,119.11
  4. Step 4: Simplify right side
    216,526.83x = 42,564,497,814.44
  5. Step 5: Solve for x
    x = 42,564,497,814.44/216,526.83
  6. Step 6: Final answer
    x = 196,578.40

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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.