Home / 154,020.98-231,053.36-47,413.82

Finding the Fourth Proportional to 154,020.98, 231,053.36 and 47,413.82

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Solution

The fourth proportional to 154,020.98, 231,053.36 and 47,413.82 is: 71,127.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,020.98 : 231,053.36 = 47,413.82 : x
  2. Step 2: Convert to fraction form
    154,020.98/231,053.36 = 47,413.82/x
  3. Step 3: Cross multiply
    154,020.98x = 231,053.36 × 47,413.82
  4. Step 4: Simplify right side
    154,020.98x = 10,955,123,028.70
  5. Step 5: Solve for x
    x = 10,955,123,028.70/154,020.98
  6. Step 6: Final answer
    x = 71,127.47

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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.