Home / 69,272.21-103,908.33-16,681.69

Finding the Fourth Proportional to 69,272.21, 103,908.33 and 16,681.69

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Solution

The fourth proportional to 69,272.21, 103,908.33 and 16,681.69 is: 25,022.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,272.21 : 103,908.33 = 16,681.69 : x
  2. Step 2: Convert to fraction form
    69,272.21/103,908.33 = 16,681.69/x
  3. Step 3: Cross multiply
    69,272.21x = 103,908.33 × 16,681.69
  4. Step 4: Simplify right side
    69,272.21x = 1,733,366,289.71
  5. Step 5: Solve for x
    x = 1,733,366,289.71/69,272.21
  6. Step 6: Final answer
    x = 25,022.54

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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.