Home / 188,518.19-260,148.51-103,634.64

Finding the Fourth Proportional to 188,518.19, 260,148.51 and 103,634.64

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Solution

The fourth proportional to 188,518.19, 260,148.51 and 103,634.64 is: 143,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,518.19 : 260,148.51 = 103,634.64 : x
  2. Step 2: Convert to fraction form
    188,518.19/260,148.51 = 103,634.64/x
  3. Step 3: Cross multiply
    188,518.19x = 260,148.51 × 103,634.64
  4. Step 4: Simplify right side
    188,518.19x = 26,960,397,180.39
  5. Step 5: Solve for x
    x = 26,960,397,180.39/188,518.19
  6. Step 6: Final answer
    x = 143,012.18

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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.