Home / 211,786.07-292,270.75-125,723.97

Finding the Fourth Proportional to 211,786.07, 292,270.75 and 125,723.97

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Solution

The fourth proportional to 211,786.07, 292,270.75 and 125,723.97 is: 173,502.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,786.07 : 292,270.75 = 125,723.97 : x
  2. Step 2: Convert to fraction form
    211,786.07/292,270.75 = 125,723.97/x
  3. Step 3: Cross multiply
    211,786.07x = 292,270.75 × 125,723.97
  4. Step 4: Simplify right side
    211,786.07x = 36,745,438,690.57
  5. Step 5: Solve for x
    x = 36,745,438,690.57/211,786.07
  6. Step 6: Final answer
    x = 173,502.63

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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.