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Finding the Fourth Proportional to 188,955, 260,757.96 and 104,071.92

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Solution

The fourth proportional to 188,955, 260,757.96 and 104,071.92 is: 143,619.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,955 : 260,757.96 = 104,071.92 : x
  2. Step 2: Convert to fraction form
    188,955/260,757.96 = 104,071.92/x
  3. Step 3: Cross multiply
    188,955x = 260,757.96 × 104,071.92
  4. Step 4: Simplify right side
    188,955x = 27,137,581,552.48
  5. Step 5: Solve for x
    x = 27,137,581,552.48/188,955
  6. Step 6: Final answer
    x = 143,619.28

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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.