Home / 188,998.18-260,817.43-104,115.22

Finding the Fourth Proportional to 188,998.18, 260,817.43 and 104,115.22

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Solution

The fourth proportional to 188,998.18, 260,817.43 and 104,115.22 is: 143,678.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,998.18 : 260,817.43 = 104,115.22 : x
  2. Step 2: Convert to fraction form
    188,998.18/260,817.43 = 104,115.22/x
  3. Step 3: Cross multiply
    188,998.18x = 260,817.43 × 104,115.22
  4. Step 4: Simplify right side
    188,998.18x = 27,155,064,104.28
  5. Step 5: Solve for x
    x = 27,155,064,104.28/188,998.18
  6. Step 6: Final answer
    x = 143,678.97

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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.