Home / 188,433.55-260,039.31-102,393.21

Finding the Fourth Proportional to 188,433.55, 260,039.31 and 102,393.21

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Solution

The fourth proportional to 188,433.55, 260,039.31 and 102,393.21 is: 141,303.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,433.55 : 260,039.31 = 102,393.21 : x
  2. Step 2: Convert to fraction form
    188,433.55/260,039.31 = 102,393.21/x
  3. Step 3: Cross multiply
    188,433.55x = 260,039.31 × 102,393.21
  4. Step 4: Simplify right side
    188,433.55x = 26,626,260,844.22
  5. Step 5: Solve for x
    x = 26,626,260,844.22/188,433.55
  6. Step 6: Final answer
    x = 141,303.18

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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.