Home / 189,882.95-262,104.44-109,342.58

Finding the Fourth Proportional to 189,882.95, 262,104.44 and 109,342.58

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Solution

The fourth proportional to 189,882.95, 262,104.44 and 109,342.58 is: 150,930.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,882.95 : 262,104.44 = 109,342.58 : x
  2. Step 2: Convert to fraction form
    189,882.95/262,104.44 = 109,342.58/x
  3. Step 3: Cross multiply
    189,882.95x = 262,104.44 × 109,342.58
  4. Step 4: Simplify right side
    189,882.95x = 28,659,173,841.82
  5. Step 5: Solve for x
    x = 28,659,173,841.82/189,882.95
  6. Step 6: Final answer
    x = 150,930.74

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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.