Home / 109,191.41-163,787.06-30,305.62

Finding the Fourth Proportional to 109,191.41, 163,787.06 and 30,305.62

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Solution

The fourth proportional to 109,191.41, 163,787.06 and 30,305.62 is: 45,458.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,191.41 : 163,787.06 = 30,305.62 : x
  2. Step 2: Convert to fraction form
    109,191.41/163,787.06 = 30,305.62/x
  3. Step 3: Cross multiply
    109,191.41x = 163,787.06 × 30,305.62
  4. Step 4: Simplify right side
    109,191.41x = 4,963,667,582.34
  5. Step 5: Solve for x
    x = 4,963,667,582.34/109,191.41
  6. Step 6: Final answer
    x = 45,458.41

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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.