Home / 211,601.36-292,009.91-120,959.33

Finding the Fourth Proportional to 211,601.36, 292,009.91 and 120,959.33

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Solution

The fourth proportional to 211,601.36, 292,009.91 and 120,959.33 is: 166,923.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,601.36 : 292,009.91 = 120,959.33 : x
  2. Step 2: Convert to fraction form
    211,601.36/292,009.91 = 120,959.33/x
  3. Step 3: Cross multiply
    211,601.36x = 292,009.91 × 120,959.33
  4. Step 4: Simplify right side
    211,601.36x = 35,321,321,682.51
  5. Step 5: Solve for x
    x = 35,321,321,682.51/211,601.36
  6. Step 6: Final answer
    x = 166,923.89

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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.