Home / 188,795.76-260,536.16-103,911.04

Finding the Fourth Proportional to 188,795.76, 260,536.16 and 103,911.04

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Solution

The fourth proportional to 188,795.76, 260,536.16 and 103,911.04 is: 143,396.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,795.76 : 260,536.16 = 103,911.04 : x
  2. Step 2: Convert to fraction form
    188,795.76/260,536.16 = 103,911.04/x
  3. Step 3: Cross multiply
    188,795.76x = 260,536.16 × 103,911.04
  4. Step 4: Simplify right side
    188,795.76x = 27,072,583,343.21
  5. Step 5: Solve for x
    x = 27,072,583,343.21/188,795.76
  6. Step 6: Final answer
    x = 143,396.14

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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.