Home / 161,629.07-222,987.80-161,379.86

Finding the Fourth Proportional to 161,629.07, 222,987.80 and 161,379.86

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Solution

The fourth proportional to 161,629.07, 222,987.80 and 161,379.86 is: 222,643.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,629.07 : 222,987.80 = 161,379.86 : x
  2. Step 2: Convert to fraction form
    161,629.07/222,987.80 = 161,379.86/x
  3. Step 3: Cross multiply
    161,629.07x = 222,987.80 × 161,379.86
  4. Step 4: Simplify right side
    161,629.07x = 35,985,739,234.22
  5. Step 5: Solve for x
    x = 35,985,739,234.22/161,629.07
  6. Step 6: Final answer
    x = 222,643.99

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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.