Home / 209,571.46-314,357.30-69,330.09

Finding the Fourth Proportional to 209,571.46, 314,357.30 and 69,330.09

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Solution

The fourth proportional to 209,571.46, 314,357.30 and 69,330.09 is: 103,995.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,571.46 : 314,357.30 = 69,330.09 : x
  2. Step 2: Convert to fraction form
    209,571.46/314,357.30 = 69,330.09/x
  3. Step 3: Cross multiply
    209,571.46x = 314,357.30 × 69,330.09
  4. Step 4: Simplify right side
    209,571.46x = 21,794,419,901.16
  5. Step 5: Solve for x
    x = 21,794,419,901.16/209,571.46
  6. Step 6: Final answer
    x = 103,995.17

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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.