Home / 142,413.60-213,625.44-48,918.72

Finding the Fourth Proportional to 142,413.60, 213,625.44 and 48,918.72

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Solution

The fourth proportional to 142,413.60, 213,625.44 and 48,918.72 is: 73,379.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,413.60 : 213,625.44 = 48,918.72 : x
  2. Step 2: Convert to fraction form
    142,413.60/213,625.44 = 48,918.72/x
  3. Step 3: Cross multiply
    142,413.60x = 213,625.44 × 48,918.72
  4. Step 4: Simplify right side
    142,413.60x = 10,450,283,084.24
  5. Step 5: Solve for x
    x = 10,450,283,084.24/142,413.60
  6. Step 6: Final answer
    x = 73,379.81

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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.