Home / 109,093.24-163,639.86-30,207.43

Finding the Fourth Proportional to 109,093.24, 163,639.86 and 30,207.43

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Solution

The fourth proportional to 109,093.24, 163,639.86 and 30,207.43 is: 45,311.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,093.24 : 163,639.86 = 30,207.43 : x
  2. Step 2: Convert to fraction form
    109,093.24/163,639.86 = 30,207.43/x
  3. Step 3: Cross multiply
    109,093.24x = 163,639.86 × 30,207.43
  4. Step 4: Simplify right side
    109,093.24x = 4,943,139,616.16
  5. Step 5: Solve for x
    x = 4,943,139,616.16/109,093.24
  6. Step 6: Final answer
    x = 45,311.15

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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.