Home / 189,126.42-260,910.28-108,534.66

Finding the Fourth Proportional to 189,126.42, 260,910.28 and 108,534.66

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Solution

The fourth proportional to 189,126.42, 260,910.28 and 108,534.66 is: 149,729.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,126.42 : 260,910.28 = 108,534.66 : x
  2. Step 2: Convert to fraction form
    189,126.42/260,910.28 = 108,534.66/x
  3. Step 3: Cross multiply
    189,126.42x = 260,910.28 × 108,534.66
  4. Step 4: Simplify right side
    189,126.42x = 28,317,808,530.30
  5. Step 5: Solve for x
    x = 28,317,808,530.30/189,126.42
  6. Step 6: Final answer
    x = 149,729.52

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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.