Home / 210,185.03-289,979.53-161,801.75

Finding the Fourth Proportional to 210,185.03, 289,979.53 and 161,801.75

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Solution

The fourth proportional to 210,185.03, 289,979.53 and 161,801.75 is: 223,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,185.03 : 289,979.53 = 161,801.75 : x
  2. Step 2: Convert to fraction form
    210,185.03/289,979.53 = 161,801.75/x
  3. Step 3: Cross multiply
    210,185.03x = 289,979.53 × 161,801.75
  4. Step 4: Simplify right side
    210,185.03x = 46,919,195,738.62
  5. Step 5: Solve for x
    x = 46,919,195,738.62/210,185.03
  6. Step 6: Final answer
    x = 223,228.05

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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.