Home / 209,836.06-314,847.12-109,972.50

Finding the Fourth Proportional to 209,836.06, 314,847.12 and 109,972.50

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Solution

The fourth proportional to 209,836.06, 314,847.12 and 109,972.50 is: 165,007.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,836.06 : 314,847.12 = 109,972.50 : x
  2. Step 2: Convert to fraction form
    209,836.06/314,847.12 = 109,972.50/x
  3. Step 3: Cross multiply
    209,836.06x = 314,847.12 × 109,972.50
  4. Step 4: Simplify right side
    209,836.06x = 34,624,524,904.20
  5. Step 5: Solve for x
    x = 34,624,524,904.20/209,836.06
  6. Step 6: Final answer
    x = 165,007.51

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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.