Home / 105,040.80-144,959.36-57,297.24

Finding the Fourth Proportional to 105,040.80, 144,959.36 and 57,297.24

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Solution

The fourth proportional to 105,040.80, 144,959.36 and 57,297.24 is: 79,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,040.80 : 144,959.36 = 57,297.24 : x
  2. Step 2: Convert to fraction form
    105,040.80/144,959.36 = 57,297.24/x
  3. Step 3: Cross multiply
    105,040.80x = 144,959.36 × 57,297.24
  4. Step 4: Simplify right side
    105,040.80x = 8,305,770,953.68
  5. Step 5: Solve for x
    x = 8,305,770,953.68/105,040.80
  6. Step 6: Final answer
    x = 79,071.86

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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.