Home / 125,942.82-188,907.93-31,172.46

Finding the Fourth Proportional to 125,942.82, 188,907.93 and 31,172.46

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Solution

The fourth proportional to 125,942.82, 188,907.93 and 31,172.46 is: 46,757.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,942.82 : 188,907.93 = 31,172.46 : x
  2. Step 2: Convert to fraction form
    125,942.82/188,907.93 = 31,172.46/x
  3. Step 3: Cross multiply
    125,942.82x = 188,907.93 × 31,172.46
  4. Step 4: Simplify right side
    125,942.82x = 5,888,724,891.61
  5. Step 5: Solve for x
    x = 5,888,724,891.61/125,942.82
  6. Step 6: Final answer
    x = 46,757.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.