Home / 188,646.12-260,331.78-103,769.64

Finding the Fourth Proportional to 188,646.12, 260,331.78 and 103,769.64

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Solution

The fourth proportional to 188,646.12, 260,331.78 and 103,769.64 is: 143,202.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,646.12 : 260,331.78 = 103,769.64 : x
  2. Step 2: Convert to fraction form
    188,646.12/260,331.78 = 103,769.64/x
  3. Step 3: Cross multiply
    188,646.12x = 260,331.78 × 103,769.64
  4. Step 4: Simplify right side
    188,646.12x = 27,014,535,091.16
  5. Step 5: Solve for x
    x = 27,014,535,091.16/188,646.12
  6. Step 6: Final answer
    x = 143,202.18

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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.