Home / 211,786.19-292,274.48-126,901.43

Finding the Fourth Proportional to 211,786.19, 292,274.48 and 126,901.43

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Solution

The fourth proportional to 211,786.19, 292,274.48 and 126,901.43 is: 175,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,786.19 : 292,274.48 = 126,901.43 : x
  2. Step 2: Convert to fraction form
    211,786.19/292,274.48 = 126,901.43/x
  3. Step 3: Cross multiply
    211,786.19x = 292,274.48 × 126,901.43
  4. Step 4: Simplify right side
    211,786.19x = 37,090,049,464.51
  5. Step 5: Solve for x
    x = 37,090,049,464.51/211,786.19
  6. Step 6: Final answer
    x = 175,129.69

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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.