Home / 98,819.38-136,371.21-53,497.39

Finding the Fourth Proportional to 98,819.38, 136,371.21 and 53,497.39

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Solution

The fourth proportional to 98,819.38, 136,371.21 and 53,497.39 is: 73,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,819.38 : 136,371.21 = 53,497.39 : x
  2. Step 2: Convert to fraction form
    98,819.38/136,371.21 = 53,497.39/x
  3. Step 3: Cross multiply
    98,819.38x = 136,371.21 × 53,497.39
  4. Step 4: Simplify right side
    98,819.38x = 7,295,503,806.14
  5. Step 5: Solve for x
    x = 7,295,503,806.14/98,819.38
  6. Step 6: Final answer
    x = 73,826.65

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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.