Home / 188,442.27-260,051.99-102,401.28

Finding the Fourth Proportional to 188,442.27, 260,051.99 and 102,401.28

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Solution

The fourth proportional to 188,442.27, 260,051.99 and 102,401.28 is: 141,314.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,442.27 : 260,051.99 = 102,401.28 : x
  2. Step 2: Convert to fraction form
    188,442.27/260,051.99 = 102,401.28/x
  3. Step 3: Cross multiply
    188,442.27x = 260,051.99 × 102,401.28
  4. Step 4: Simplify right side
    188,442.27x = 26,629,656,130.54
  5. Step 5: Solve for x
    x = 26,629,656,130.54/188,442.27
  6. Step 6: Final answer
    x = 141,314.66

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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.