Home / 211,812.64-292,302.26-115,016.65

Finding the Fourth Proportional to 211,812.64, 292,302.26 and 115,016.65

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Solution

The fourth proportional to 211,812.64, 292,302.26 and 115,016.65 is: 158,723.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,812.64 : 292,302.26 = 115,016.65 : x
  2. Step 2: Convert to fraction form
    211,812.64/292,302.26 = 115,016.65/x
  3. Step 3: Cross multiply
    211,812.64x = 292,302.26 × 115,016.65
  4. Step 4: Simplify right side
    211,812.64x = 33,619,626,732.63
  5. Step 5: Solve for x
    x = 33,619,626,732.63/211,812.64
  6. Step 6: Final answer
    x = 158,723.42

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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.