Home / 212,413.74-318,095.01-123,397.26

Finding the Fourth Proportional to 212,413.74, 318,095.01 and 123,397.26

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Solution

The fourth proportional to 212,413.74, 318,095.01 and 123,397.26 is: 184,790.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,413.74 : 318,095.01 = 123,397.26 : x
  2. Step 2: Convert to fraction form
    212,413.74/318,095.01 = 123,397.26/x
  3. Step 3: Cross multiply
    212,413.74x = 318,095.01 × 123,397.26
  4. Step 4: Simplify right side
    212,413.74x = 39,252,052,653.67
  5. Step 5: Solve for x
    x = 39,252,052,653.67/212,413.74
  6. Step 6: Final answer
    x = 184,790.55

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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.