Home / 209,821.79-314,825.72-109,958.24

Finding the Fourth Proportional to 209,821.79, 314,825.72 and 109,958.24

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Solution

The fourth proportional to 209,821.79, 314,825.72 and 109,958.24 is: 164,986.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,821.79 : 314,825.72 = 109,958.24 : x
  2. Step 2: Convert to fraction form
    209,821.79/314,825.72 = 109,958.24/x
  3. Step 3: Cross multiply
    209,821.79x = 314,825.72 × 109,958.24
  4. Step 4: Simplify right side
    209,821.79x = 34,617,682,933.72
  5. Step 5: Solve for x
    x = 34,617,682,933.72/209,821.79
  6. Step 6: Final answer
    x = 164,986.12

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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.