Home / 109,198.99-163,799.40-30,319.37

Finding the Fourth Proportional to 109,198.99, 163,799.40 and 30,319.37

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Solution

The fourth proportional to 109,198.99, 163,799.40 and 30,319.37 is: 45,479.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,198.99 : 163,799.40 = 30,319.37 : x
  2. Step 2: Convert to fraction form
    109,198.99/163,799.40 = 30,319.37/x
  3. Step 3: Cross multiply
    109,198.99x = 163,799.40 × 30,319.37
  4. Step 4: Simplify right side
    109,198.99x = 4,966,294,614.38
  5. Step 5: Solve for x
    x = 4,966,294,614.38/109,198.99
  6. Step 6: Final answer
    x = 45,479.31

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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.