Home / 213,676.32-294,847.44-118,170

Finding the Fourth Proportional to 213,676.32, 294,847.44 and 118,170

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Solution

The fourth proportional to 213,676.32, 294,847.44 and 118,170 is: 163,060.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,676.32 : 294,847.44 = 118,170 : x
  2. Step 2: Convert to fraction form
    213,676.32/294,847.44 = 118,170/x
  3. Step 3: Cross multiply
    213,676.32x = 294,847.44 × 118,170
  4. Step 4: Simplify right side
    213,676.32x = 34,842,121,984.80
  5. Step 5: Solve for x
    x = 34,842,121,984.80/213,676.32
  6. Step 6: Final answer
    x = 163,060.29

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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.