Home / 188,549.13-260,197-103,664.37

Finding the Fourth Proportional to 188,549.13, 260,197 and 103,664.37

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Solution

The fourth proportional to 188,549.13, 260,197 and 103,664.37 is: 143,056.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,549.13 : 260,197 = 103,664.37 : x
  2. Step 2: Convert to fraction form
    188,549.13/260,197 = 103,664.37/x
  3. Step 3: Cross multiply
    188,549.13x = 260,197 × 103,664.37
  4. Step 4: Simplify right side
    188,549.13x = 26,973,158,080.89
  5. Step 5: Solve for x
    x = 26,973,158,080.89/188,549.13
  6. Step 6: Final answer
    x = 143,056.39

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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.