Home / 217,119.06-299,623.86-120,329.10

Finding the Fourth Proportional to 217,119.06, 299,623.86 and 120,329.10

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Solution

The fourth proportional to 217,119.06, 299,623.86 and 120,329.10 is: 166,053.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,119.06 : 299,623.86 = 120,329.10 : x
  2. Step 2: Convert to fraction form
    217,119.06/299,623.86 = 120,329.10/x
  3. Step 3: Cross multiply
    217,119.06x = 299,623.86 × 120,329.10
  4. Step 4: Simplify right side
    217,119.06x = 36,053,469,412.33
  5. Step 5: Solve for x
    x = 36,053,469,412.33/217,119.06
  6. Step 6: Final answer
    x = 166,053.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.