Home / 122,365.40-168,864.38-71,413.16

Finding the Fourth Proportional to 122,365.40, 168,864.38 and 71,413.16

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Solution

The fourth proportional to 122,365.40, 168,864.38 and 71,413.16 is: 98,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,365.40 : 168,864.38 = 71,413.16 : x
  2. Step 2: Convert to fraction form
    122,365.40/168,864.38 = 71,413.16/x
  3. Step 3: Cross multiply
    122,365.40x = 168,864.38 × 71,413.16
  4. Step 4: Simplify right side
    122,365.40x = 12,059,138,987.24
  5. Step 5: Solve for x
    x = 12,059,138,987.24/122,365.40
  6. Step 6: Final answer
    x = 98,550.24

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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.