Home / 109,119.42-163,660.88-30,241.62

Finding the Fourth Proportional to 109,119.42, 163,660.88 and 30,241.62

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Solution

The fourth proportional to 109,119.42, 163,660.88 and 30,241.62 is: 45,357.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,119.42 : 163,660.88 = 30,241.62 : x
  2. Step 2: Convert to fraction form
    109,119.42/163,660.88 = 30,241.62/x
  3. Step 3: Cross multiply
    109,119.42x = 163,660.88 × 30,241.62
  4. Step 4: Simplify right side
    109,119.42x = 4,949,370,141.83
  5. Step 5: Solve for x
    x = 4,949,370,141.83/109,119.42
  6. Step 6: Final answer
    x = 45,357.37

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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.