Home / 117,706.20-162,435.58-63,991.25

Finding the Fourth Proportional to 117,706.20, 162,435.58 and 63,991.25

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Solution

The fourth proportional to 117,706.20, 162,435.58 and 63,991.25 is: 88,308.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,706.20 : 162,435.58 = 63,991.25 : x
  2. Step 2: Convert to fraction form
    117,706.20/162,435.58 = 63,991.25/x
  3. Step 3: Cross multiply
    117,706.20x = 162,435.58 × 63,991.25
  4. Step 4: Simplify right side
    117,706.20x = 10,394,455,445.65
  5. Step 5: Solve for x
    x = 10,394,455,445.65/117,706.20
  6. Step 6: Final answer
    x = 88,308.48

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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.