Home / 130,886.29-196,339.39-50,889.89

Finding the Fourth Proportional to 130,886.29, 196,339.39 and 50,889.89

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Solution

The fourth proportional to 130,886.29, 196,339.39 and 50,889.89 is: 76,338.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,886.29 : 196,339.39 = 50,889.89 : x
  2. Step 2: Convert to fraction form
    130,886.29/196,339.39 = 50,889.89/x
  3. Step 3: Cross multiply
    130,886.29x = 196,339.39 × 50,889.89
  4. Step 4: Simplify right side
    130,886.29x = 9,991,690,299.09
  5. Step 5: Solve for x
    x = 9,991,690,299.09/130,886.29
  6. Step 6: Final answer
    x = 76,338.71

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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.