Home / 109,299.42-163,960.88-34,421.85

Finding the Fourth Proportional to 109,299.42, 163,960.88 and 34,421.85

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Solution

The fourth proportional to 109,299.42, 163,960.88 and 34,421.85 is: 51,636.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,299.42 : 163,960.88 = 34,421.85 : x
  2. Step 2: Convert to fraction form
    109,299.42/163,960.88 = 34,421.85/x
  3. Step 3: Cross multiply
    109,299.42x = 163,960.88 × 34,421.85
  4. Step 4: Simplify right side
    109,299.42x = 5,643,836,645.12
  5. Step 5: Solve for x
    x = 5,643,836,645.12/109,299.42
  6. Step 6: Final answer
    x = 51,636.47

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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.