Home / 136,954.13-205,431.26-43,459.88

Finding the Fourth Proportional to 136,954.13, 205,431.26 and 43,459.88

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Solution

The fourth proportional to 136,954.13, 205,431.26 and 43,459.88 is: 65,189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,954.13 : 205,431.26 = 43,459.88 : x
  2. Step 2: Convert to fraction form
    136,954.13/205,431.26 = 43,459.88/x
  3. Step 3: Cross multiply
    136,954.13x = 205,431.26 × 43,459.88
  4. Step 4: Simplify right side
    136,954.13x = 8,928,016,663.39
  5. Step 5: Solve for x
    x = 8,928,016,663.39/136,954.13
  6. Step 6: Final answer
    x = 65,189.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.