Home / 109,286.24-163,915.00-34,406.78

Finding the Fourth Proportional to 109,286.24, 163,915.00 and 34,406.78

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Solution

The fourth proportional to 109,286.24, 163,915.00 and 34,406.78 is: 51,605.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,286.24 : 163,915.00 = 34,406.78 : x
  2. Step 2: Convert to fraction form
    109,286.24/163,915.00 = 34,406.78/x
  3. Step 3: Cross multiply
    109,286.24x = 163,915.00 × 34,406.78
  4. Step 4: Simplify right side
    109,286.24x = 5,639,786,567.13
  5. Step 5: Solve for x
    x = 5,639,786,567.13/109,286.24
  6. Step 6: Final answer
    x = 51,605.64

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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.