Home / 108,864.36-163,084.86-79,220.52

Finding the Fourth Proportional to 108,864.36, 163,084.86 and 79,220.52

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Solution

The fourth proportional to 108,864.36, 163,084.86 and 79,220.52 is: 118,676.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,864.36 : 163,084.86 = 79,220.52 : x
  2. Step 2: Convert to fraction form
    108,864.36/163,084.86 = 79,220.52/x
  3. Step 3: Cross multiply
    108,864.36x = 163,084.86 × 79,220.52
  4. Step 4: Simplify right side
    108,864.36x = 12,919,667,413.33
  5. Step 5: Solve for x
    x = 12,919,667,413.33/108,864.36
  6. Step 6: Final answer
    x = 118,676.74

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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.