Home / 188,323.40-259,887.84-103,442.36

Finding the Fourth Proportional to 188,323.40, 259,887.84 and 103,442.36

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Solution

The fourth proportional to 188,323.40, 259,887.84 and 103,442.36 is: 142,751.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,323.40 : 259,887.84 = 103,442.36 : x
  2. Step 2: Convert to fraction form
    188,323.40/259,887.84 = 103,442.36/x
  3. Step 3: Cross multiply
    188,323.40x = 259,887.84 × 103,442.36
  4. Step 4: Simplify right side
    188,323.40x = 26,883,411,504.90
  5. Step 5: Solve for x
    x = 26,883,411,504.90/188,323.40
  6. Step 6: Final answer
    x = 142,751.31

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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.