Home / 251,171.04-346,604.22-137,991.36

Finding the Fourth Proportional to 251,171.04, 346,604.22 and 137,991.36

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Solution

The fourth proportional to 251,171.04, 346,604.22 and 137,991.36 is: 190,421.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,171.04 : 346,604.22 = 137,991.36 : x
  2. Step 2: Convert to fraction form
    251,171.04/346,604.22 = 137,991.36/x
  3. Step 3: Cross multiply
    251,171.04x = 346,604.22 × 137,991.36
  4. Step 4: Simplify right side
    251,171.04x = 47,828,387,699.54
  5. Step 5: Solve for x
    x = 47,828,387,699.54/251,171.04
  6. Step 6: Final answer
    x = 190,421.59

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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.