Home / 115,413.20-173,076.60-40,504.40

Finding the Fourth Proportional to 115,413.20, 173,076.60 and 40,504.40

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Solution

The fourth proportional to 115,413.20, 173,076.60 and 40,504.40 is: 60,741.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,413.20 : 173,076.60 = 40,504.40 : x
  2. Step 2: Convert to fraction form
    115,413.20/173,076.60 = 40,504.40/x
  3. Step 3: Cross multiply
    115,413.20x = 173,076.60 × 40,504.40
  4. Step 4: Simplify right side
    115,413.20x = 7,010,363,837.04
  5. Step 5: Solve for x
    x = 7,010,363,837.04/115,413.20
  6. Step 6: Final answer
    x = 60,741.44

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1.5x scale

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.