Home / 122,129.26-168,535.34-68,413.92

Finding the Fourth Proportional to 122,129.26, 168,535.34 and 68,413.92

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Solution

The fourth proportional to 122,129.26, 168,535.34 and 68,413.92 is: 94,409.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,129.26 : 168,535.34 = 68,413.92 : x
  2. Step 2: Convert to fraction form
    122,129.26/168,535.34 = 68,413.92/x
  3. Step 3: Cross multiply
    122,129.26x = 168,535.34 × 68,413.92
  4. Step 4: Simplify right side
    122,129.26x = 11,530,163,267.93
  5. Step 5: Solve for x
    x = 11,530,163,267.93/122,129.26
  6. Step 6: Final answer
    x = 94,409.51

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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.