Home / 189,458.88-261,453.28-104,575.96

Finding the Fourth Proportional to 189,458.88, 261,453.28 and 104,575.96

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Solution

The fourth proportional to 189,458.88, 261,453.28 and 104,575.96 is: 144,314.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,458.88 : 261,453.28 = 104,575.96 : x
  2. Step 2: Convert to fraction form
    189,458.88/261,453.28 = 104,575.96/x
  3. Step 3: Cross multiply
    189,458.88x = 261,453.28 × 104,575.96
  4. Step 4: Simplify right side
    189,458.88x = 27,341,727,751.15
  5. Step 5: Solve for x
    x = 27,341,727,751.15/189,458.88
  6. Step 6: Final answer
    x = 144,314.84

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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.