Home / 109,329.75-163,994.82-30,443.97

Finding the Fourth Proportional to 109,329.75, 163,994.82 and 30,443.97

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Solution

The fourth proportional to 109,329.75, 163,994.82 and 30,443.97 is: 45,666.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,329.75 : 163,994.82 = 30,443.97 : x
  2. Step 2: Convert to fraction form
    109,329.75/163,994.82 = 30,443.97/x
  3. Step 3: Cross multiply
    109,329.75x = 163,994.82 × 30,443.97
  4. Step 4: Simplify right side
    109,329.75x = 4,992,653,380.24
  5. Step 5: Solve for x
    x = 4,992,653,380.24/109,329.75
  6. Step 6: Final answer
    x = 45,666.01

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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.