Home / 105,054.14-144,976.77-57,309.26

Finding the Fourth Proportional to 105,054.14, 144,976.77 and 57,309.26

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Solution

The fourth proportional to 105,054.14, 144,976.77 and 57,309.26 is: 79,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,054.14 : 144,976.77 = 57,309.26 : x
  2. Step 2: Convert to fraction form
    105,054.14/144,976.77 = 57,309.26/x
  3. Step 3: Cross multiply
    105,054.14x = 144,976.77 × 57,309.26
  4. Step 4: Simplify right side
    105,054.14x = 8,308,511,405.89
  5. Step 5: Solve for x
    x = 8,308,511,405.89/105,054.14
  6. Step 6: Final answer
    x = 79,087.90

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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.