Home / 78,175.08-117,166.28-44,469.36

Finding the Fourth Proportional to 78,175.08, 117,166.28 and 44,469.36

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Solution

The fourth proportional to 78,175.08, 117,166.28 and 44,469.36 is: 66,649.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,175.08 : 117,166.28 = 44,469.36 : x
  2. Step 2: Convert to fraction form
    78,175.08/117,166.28 = 44,469.36/x
  3. Step 3: Cross multiply
    78,175.08x = 117,166.28 × 44,469.36
  4. Step 4: Simplify right side
    78,175.08x = 5,210,309,485.18
  5. Step 5: Solve for x
    x = 5,210,309,485.18/78,175.08
  6. Step 6: Final answer
    x = 66,649.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.