Home / 188,214.12-259,736.58-103,331.88

Finding the Fourth Proportional to 188,214.12, 259,736.58 and 103,331.88

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Solution

The fourth proportional to 188,214.12, 259,736.58 and 103,331.88 is: 142,598.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,214.12 : 259,736.58 = 103,331.88 : x
  2. Step 2: Convert to fraction form
    188,214.12/259,736.58 = 103,331.88/x
  3. Step 3: Cross multiply
    188,214.12x = 259,736.58 × 103,331.88
  4. Step 4: Simplify right side
    188,214.12x = 26,839,069,116.17
  5. Step 5: Solve for x
    x = 26,839,069,116.17/188,214.12
  6. Step 6: Final answer
    x = 142,598.60

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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.