Home / 109,884.28-164,826-30,998.32

Finding the Fourth Proportional to 109,884.28, 164,826 and 30,998.32

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Solution

The fourth proportional to 109,884.28, 164,826 and 30,998.32 is: 46,497.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,884.28 : 164,826 = 30,998.32 : x
  2. Step 2: Convert to fraction form
    109,884.28/164,826 = 30,998.32/x
  3. Step 3: Cross multiply
    109,884.28x = 164,826 × 30,998.32
  4. Step 4: Simplify right side
    109,884.28x = 5,109,329,092.32
  5. Step 5: Solve for x
    x = 5,109,329,092.32/109,884.28
  6. Step 6: Final answer
    x = 46,497.36

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1.5x scale

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.