Home / 189,204.30-261,090.03-104,322.06

Finding the Fourth Proportional to 189,204.30, 261,090.03 and 104,322.06

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Solution

The fourth proportional to 189,204.30, 261,090.03 and 104,322.06 is: 143,957.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,204.30 : 261,090.03 = 104,322.06 : x
  2. Step 2: Convert to fraction form
    189,204.30/261,090.03 = 104,322.06/x
  3. Step 3: Cross multiply
    189,204.30x = 261,090.03 × 104,322.06
  4. Step 4: Simplify right side
    189,204.30x = 27,237,449,775.06
  5. Step 5: Solve for x
    x = 27,237,449,775.06/189,204.30
  6. Step 6: Final answer
    x = 143,957.88

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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.