Home / 109,119.41-163,660.89-30,241.61

Finding the Fourth Proportional to 109,119.41, 163,660.89 and 30,241.61

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Solution

The fourth proportional to 109,119.41, 163,660.89 and 30,241.61 is: 45,357.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,119.41 : 163,660.89 = 30,241.61 : x
  2. Step 2: Convert to fraction form
    109,119.41/163,660.89 = 30,241.61/x
  3. Step 3: Cross multiply
    109,119.41x = 163,660.89 × 30,241.61
  4. Step 4: Simplify right side
    109,119.41x = 4,949,368,807.63
  5. Step 5: Solve for x
    x = 4,949,368,807.63/109,119.41
  6. Step 6: Final answer
    x = 45,357.36

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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.