Home / 189,934.26-262,091.70-105,049.50

Finding the Fourth Proportional to 189,934.26, 262,091.70 and 105,049.50

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Solution

The fourth proportional to 189,934.26, 262,091.70 and 105,049.50 is: 144,958.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,934.26 : 262,091.70 = 105,049.50 : x
  2. Step 2: Convert to fraction form
    189,934.26/262,091.70 = 105,049.50/x
  3. Step 3: Cross multiply
    189,934.26x = 262,091.70 × 105,049.50
  4. Step 4: Simplify right side
    189,934.26x = 27,532,602,039.15
  5. Step 5: Solve for x
    x = 27,532,602,039.15/189,934.26
  6. Step 6: Final answer
    x = 144,958.59

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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.