Home / 209,815.70-314,816.57-109,952.15

Finding the Fourth Proportional to 209,815.70, 314,816.57 and 109,952.15

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Solution

The fourth proportional to 209,815.70, 314,816.57 and 109,952.15 is: 164,976.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,815.70 : 314,816.57 = 109,952.15 : x
  2. Step 2: Convert to fraction form
    209,815.70/314,816.57 = 109,952.15/x
  3. Step 3: Cross multiply
    209,815.70x = 314,816.57 × 109,952.15
  4. Step 4: Simplify right side
    209,815.70x = 34,614,758,177.36
  5. Step 5: Solve for x
    x = 34,614,758,177.36/209,815.70
  6. Step 6: Final answer
    x = 164,976.97

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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.