Home / 154,413.90-231,620.85-152,081.10

Finding the Fourth Proportional to 154,413.90, 231,620.85 and 152,081.10

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Solution

The fourth proportional to 154,413.90, 231,620.85 and 152,081.10 is: 228,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,413.90 : 231,620.85 = 152,081.10 : x
  2. Step 2: Convert to fraction form
    154,413.90/231,620.85 = 152,081.10/x
  3. Step 3: Cross multiply
    154,413.90x = 231,620.85 × 152,081.10
  4. Step 4: Simplify right side
    154,413.90x = 35,225,153,650.94
  5. Step 5: Solve for x
    x = 35,225,153,650.94/154,413.90
  6. Step 6: Final answer
    x = 228,121.65

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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.