Home / 188,214.40-259,736.31-103,336.93

Finding the Fourth Proportional to 188,214.40, 259,736.31 and 103,336.93

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Solution

The fourth proportional to 188,214.40, 259,736.31 and 103,336.93 is: 142,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,214.40 : 259,736.31 = 103,336.93 : x
  2. Step 2: Convert to fraction form
    188,214.40/259,736.31 = 103,336.93/x
  3. Step 3: Cross multiply
    188,214.40x = 259,736.31 × 103,336.93
  4. Step 4: Simplify right side
    188,214.40x = 26,840,351,069.56
  5. Step 5: Solve for x
    x = 26,840,351,069.56/188,214.40
  6. Step 6: Final answer
    x = 142,605.20

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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.