Home / 117,829.20-162,570.60-75,352.80

Finding the Fourth Proportional to 117,829.20, 162,570.60 and 75,352.80

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Solution

The fourth proportional to 117,829.20, 162,570.60 and 75,352.80 is: 103,965.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,829.20 : 162,570.60 = 75,352.80 : x
  2. Step 2: Convert to fraction form
    117,829.20/162,570.60 = 75,352.80/x
  3. Step 3: Cross multiply
    117,829.20x = 162,570.60 × 75,352.80
  4. Step 4: Simplify right side
    117,829.20x = 12,250,149,907.68
  5. Step 5: Solve for x
    x = 12,250,149,907.68/117,829.20
  6. Step 6: Final answer
    x = 103,965.32

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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.