Home / 218,145.48-301,067.67-122,650.13

Finding the Fourth Proportional to 218,145.48, 301,067.67 and 122,650.13

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Solution

The fourth proportional to 218,145.48, 301,067.67 and 122,650.13 is: 169,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,145.48 : 301,067.67 = 122,650.13 : x
  2. Step 2: Convert to fraction form
    218,145.48/301,067.67 = 122,650.13/x
  3. Step 3: Cross multiply
    218,145.48x = 301,067.67 × 122,650.13
  4. Step 4: Simplify right side
    218,145.48x = 36,925,987,358.96
  5. Step 5: Solve for x
    x = 36,925,987,358.96/218,145.48
  6. Step 6: Final answer
    x = 169,272.30

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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.