Home / 117,971.21-162,835.85-80,267.33

Finding the Fourth Proportional to 117,971.21, 162,835.85 and 80,267.33

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Solution

The fourth proportional to 117,971.21, 162,835.85 and 80,267.33 is: 110,793.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,971.21 : 162,835.85 = 80,267.33 : x
  2. Step 2: Convert to fraction form
    117,971.21/162,835.85 = 80,267.33/x
  3. Step 3: Cross multiply
    117,971.21x = 162,835.85 × 80,267.33
  4. Step 4: Simplify right side
    117,971.21x = 13,070,398,506.44
  5. Step 5: Solve for x
    x = 13,070,398,506.44/117,971.21
  6. Step 6: Final answer
    x = 110,793.12

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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.