Home / 211,186.44-291,425.04-115,676.51

Finding the Fourth Proportional to 211,186.44, 291,425.04 and 115,676.51

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Solution

The fourth proportional to 211,186.44, 291,425.04 and 115,676.51 is: 159,626.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,186.44 : 291,425.04 = 115,676.51 : x
  2. Step 2: Convert to fraction form
    211,186.44/291,425.04 = 115,676.51/x
  3. Step 3: Cross multiply
    211,186.44x = 291,425.04 × 115,676.51
  4. Step 4: Simplify right side
    211,186.44x = 33,711,030,096.69
  5. Step 5: Solve for x
    x = 33,711,030,096.69/211,186.44
  6. Step 6: Final answer
    x = 159,626.87

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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.