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Finding the Fourth Proportional to 188,773.02, 260,511.93 and 103,895.28

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Solution

The fourth proportional to 188,773.02, 260,511.93 and 103,895.28 is: 143,378.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,773.02 : 260,511.93 = 103,895.28 : x
  2. Step 2: Convert to fraction form
    188,773.02/260,511.93 = 103,895.28/x
  3. Step 3: Cross multiply
    188,773.02x = 260,511.93 × 103,895.28
  4. Step 4: Simplify right side
    188,773.02x = 27,065,959,910.69
  5. Step 5: Solve for x
    x = 27,065,959,910.69/188,773.02
  6. Step 6: Final answer
    x = 143,378.33

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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.