Home / 130,413.30-195,510.60-68,083.80

Finding the Fourth Proportional to 130,413.30, 195,510.60 and 68,083.80

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Solution

The fourth proportional to 130,413.30, 195,510.60 and 68,083.80 is: 102,068.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,413.30 : 195,510.60 = 68,083.80 : x
  2. Step 2: Convert to fraction form
    130,413.30/195,510.60 = 68,083.80/x
  3. Step 3: Cross multiply
    130,413.30x = 195,510.60 × 68,083.80
  4. Step 4: Simplify right side
    130,413.30x = 13,311,104,588.28
  5. Step 5: Solve for x
    x = 13,311,104,588.28/130,413.30
  6. Step 6: Final answer
    x = 102,068.61

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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.