Home / 188,004.16-259,458.09-103,121.23

Finding the Fourth Proportional to 188,004.16, 259,458.09 and 103,121.23

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Solution

The fourth proportional to 188,004.16, 259,458.09 and 103,121.23 is: 142,314.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,004.16 : 259,458.09 = 103,121.23 : x
  2. Step 2: Convert to fraction form
    188,004.16/259,458.09 = 103,121.23/x
  3. Step 3: Cross multiply
    188,004.16x = 259,458.09 × 103,121.23
  4. Step 4: Simplify right side
    188,004.16x = 26,755,636,095.66
  5. Step 5: Solve for x
    x = 26,755,636,095.66/188,004.16
  6. Step 6: Final answer
    x = 142,314.06

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1.5x scale

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.