Home / 181,973.90-251,125.61-100,297.64

Finding the Fourth Proportional to 181,973.90, 251,125.61 and 100,297.64

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Solution

The fourth proportional to 181,973.90, 251,125.61 and 100,297.64 is: 138,411.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,973.90 : 251,125.61 = 100,297.64 : x
  2. Step 2: Convert to fraction form
    181,973.90/251,125.61 = 100,297.64/x
  3. Step 3: Cross multiply
    181,973.90x = 251,125.61 × 100,297.64
  4. Step 4: Simplify right side
    181,973.90x = 25,187,304,269.44
  5. Step 5: Solve for x
    x = 25,187,304,269.44/181,973.90
  6. Step 6: Final answer
    x = 138,411.63

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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.