Home / 188,460.54-260,080.47-103,579.83

Finding the Fourth Proportional to 188,460.54, 260,080.47 and 103,579.83

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Solution

The fourth proportional to 188,460.54, 260,080.47 and 103,579.83 is: 142,942.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,460.54 : 260,080.47 = 103,579.83 : x
  2. Step 2: Convert to fraction form
    188,460.54/260,080.47 = 103,579.83/x
  3. Step 3: Cross multiply
    188,460.54x = 260,080.47 × 103,579.83
  4. Step 4: Simplify right side
    188,460.54x = 26,939,090,868.92
  5. Step 5: Solve for x
    x = 26,939,090,868.92/188,460.54
  6. Step 6: Final answer
    x = 142,942.87

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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.