Home / 219,729.71-329,330.87-113,163.81

Finding the Fourth Proportional to 219,729.71, 329,330.87 and 113,163.81

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Solution

The fourth proportional to 219,729.71, 329,330.87 and 113,163.81 is: 169,609.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,729.71 : 329,330.87 = 113,163.81 : x
  2. Step 2: Convert to fraction form
    219,729.71/329,330.87 = 113,163.81/x
  3. Step 3: Cross multiply
    219,729.71x = 329,330.87 × 113,163.81
  4. Step 4: Simplify right side
    219,729.71x = 37,268,335,434.00
  5. Step 5: Solve for x
    x = 37,268,335,434.00/219,729.71
  6. Step 6: Final answer
    x = 169,609.91

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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.