Home / 164,286.48-226,698.36-121,288.86

Finding the Fourth Proportional to 164,286.48, 226,698.36 and 121,288.86

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Solution

The fourth proportional to 164,286.48, 226,698.36 and 121,288.86 is: 167,366.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,286.48 : 226,698.36 = 121,288.86 : x
  2. Step 2: Convert to fraction form
    164,286.48/226,698.36 = 121,288.86/x
  3. Step 3: Cross multiply
    164,286.48x = 226,698.36 × 121,288.86
  4. Step 4: Simplify right side
    164,286.48x = 27,495,985,648.27
  5. Step 5: Solve for x
    x = 27,495,985,648.27/164,286.48
  6. Step 6: Final answer
    x = 167,366.09

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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.