Home / 104,261.10-143,880.62-56,514.64

Finding the Fourth Proportional to 104,261.10, 143,880.62 and 56,514.64

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Solution

The fourth proportional to 104,261.10, 143,880.62 and 56,514.64 is: 77,990.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,261.10 : 143,880.62 = 56,514.64 : x
  2. Step 2: Convert to fraction form
    104,261.10/143,880.62 = 56,514.64/x
  3. Step 3: Cross multiply
    104,261.10x = 143,880.62 × 56,514.64
  4. Step 4: Simplify right side
    104,261.10x = 8,131,361,442.28
  5. Step 5: Solve for x
    x = 8,131,361,442.28/104,261.10
  6. Step 6: Final answer
    x = 77,990.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.