Home / 154,413.84-231,669.96-69,011.48

Finding the Fourth Proportional to 154,413.84, 231,669.96 and 69,011.48

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Solution

The fourth proportional to 154,413.84, 231,669.96 and 69,011.48 is: 103,539.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,413.84 : 231,669.96 = 69,011.48 : x
  2. Step 2: Convert to fraction form
    154,413.84/231,669.96 = 69,011.48/x
  3. Step 3: Cross multiply
    154,413.84x = 231,669.96 × 69,011.48
  4. Step 4: Simplify right side
    154,413.84x = 15,987,886,811.14
  5. Step 5: Solve for x
    x = 15,987,886,811.14/154,413.84
  6. Step 6: Final answer
    x = 103,539.21

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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.