Home / 209,836.32-314,847.42-109,972.63

Finding the Fourth Proportional to 209,836.32, 314,847.42 and 109,972.63

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Solution

The fourth proportional to 209,836.32, 314,847.42 and 109,972.63 is: 165,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,836.32 : 314,847.42 = 109,972.63 : x
  2. Step 2: Convert to fraction form
    209,836.32/314,847.42 = 109,972.63/x
  3. Step 3: Cross multiply
    209,836.32x = 314,847.42 × 109,972.63
  4. Step 4: Simplify right side
    209,836.32x = 34,624,598,826.11
  5. Step 5: Solve for x
    x = 34,624,598,826.11/209,836.32
  6. Step 6: Final answer
    x = 165,007.65

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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.