Home / 113,706.56-156,852.06-79,765.58

Finding the Fourth Proportional to 113,706.56, 156,852.06 and 79,765.58

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Solution

The fourth proportional to 113,706.56, 156,852.06 and 79,765.58 is: 110,032.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,706.56 : 156,852.06 = 79,765.58 : x
  2. Step 2: Convert to fraction form
    113,706.56/156,852.06 = 79,765.58/x
  3. Step 3: Cross multiply
    113,706.56x = 156,852.06 × 79,765.58
  4. Step 4: Simplify right side
    113,706.56x = 12,511,395,540.09
  5. Step 5: Solve for x
    x = 12,511,395,540.09/113,706.56
  6. Step 6: Final answer
    x = 110,032.31

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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.