Home / 104,884.10-144,739.80-57,137.84

Finding the Fourth Proportional to 104,884.10, 144,739.80 and 57,137.84

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Solution

The fourth proportional to 104,884.10, 144,739.80 and 57,137.84 is: 78,850.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,884.10 : 144,739.80 = 57,137.84 : x
  2. Step 2: Convert to fraction form
    104,884.10/144,739.80 = 57,137.84/x
  3. Step 3: Cross multiply
    104,884.10x = 144,739.80 × 57,137.84
  4. Step 4: Simplify right side
    104,884.10x = 8,270,118,810.33
  5. Step 5: Solve for x
    x = 8,270,118,810.33/104,884.10
  6. Step 6: Final answer
    x = 78,850.08

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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.