Home / 211,906.15-292,429.08-115,109.13

Finding the Fourth Proportional to 211,906.15, 292,429.08 and 115,109.13

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Solution

The fourth proportional to 211,906.15, 292,429.08 and 115,109.13 is: 158,849.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,906.15 : 292,429.08 = 115,109.13 : x
  2. Step 2: Convert to fraction form
    211,906.15/292,429.08 = 115,109.13/x
  3. Step 3: Cross multiply
    211,906.15x = 292,429.08 × 115,109.13
  4. Step 4: Simplify right side
    211,906.15x = 33,661,255,523.36
  5. Step 5: Solve for x
    x = 33,661,255,523.36/211,906.15
  6. Step 6: Final answer
    x = 158,849.83

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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.