Home / 188,130.24-259,619.52-103,247.52

Finding the Fourth Proportional to 188,130.24, 259,619.52 and 103,247.52

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Solution

The fourth proportional to 188,130.24, 259,619.52 and 103,247.52 is: 142,481.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,130.24 : 259,619.52 = 103,247.52 : x
  2. Step 2: Convert to fraction form
    188,130.24/259,619.52 = 103,247.52/x
  3. Step 3: Cross multiply
    188,130.24x = 259,619.52 × 103,247.52
  4. Step 4: Simplify right side
    188,130.24x = 26,805,071,583.59
  5. Step 5: Solve for x
    x = 26,805,071,583.59/188,130.24
  6. Step 6: Final answer
    x = 142,481.46

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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.