Home / 188,720.08-260,433.71-103,837.14

Finding the Fourth Proportional to 188,720.08, 260,433.71 and 103,837.14

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Solution

The fourth proportional to 188,720.08, 260,433.71 and 103,837.14 is: 143,295.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,720.08 : 260,433.71 = 103,837.14 : x
  2. Step 2: Convert to fraction form
    188,720.08/260,433.71 = 103,837.14/x
  3. Step 3: Cross multiply
    188,720.08x = 260,433.71 × 103,837.14
  4. Step 4: Simplify right side
    188,720.08x = 27,042,691,605.99
  5. Step 5: Solve for x
    x = 27,042,691,605.99/188,720.08
  6. Step 6: Final answer
    x = 143,295.25

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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.