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Finding the Fourth Proportional to 178,413.70, 246,188.22 and 101,937.75

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Solution

The fourth proportional to 178,413.70, 246,188.22 and 101,937.75 is: 140,661.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,413.70 : 246,188.22 = 101,937.75 : x
  2. Step 2: Convert to fraction form
    178,413.70/246,188.22 = 101,937.75/x
  3. Step 3: Cross multiply
    178,413.70x = 246,188.22 × 101,937.75
  4. Step 4: Simplify right side
    178,413.70x = 25,095,873,425.37
  5. Step 5: Solve for x
    x = 25,095,873,425.37/178,413.70
  6. Step 6: Final answer
    x = 140,661.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.