Home / 197,697.99-272,889.77-120,173.36

Finding the Fourth Proportional to 197,697.99, 272,889.77 and 120,173.36

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Solution

The fourth proportional to 197,697.99, 272,889.77 and 120,173.36 is: 165,879.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,697.99 : 272,889.77 = 120,173.36 : x
  2. Step 2: Convert to fraction form
    197,697.99/272,889.77 = 120,173.36/x
  3. Step 3: Cross multiply
    197,697.99x = 272,889.77 × 120,173.36
  4. Step 4: Simplify right side
    197,697.99x = 32,794,080,651.88
  5. Step 5: Solve for x
    x = 32,794,080,651.88/197,697.99
  6. Step 6: Final answer
    x = 165,879.69

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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.