Home / 188,422.70-260,020.38-103,537.94

Finding the Fourth Proportional to 188,422.70, 260,020.38 and 103,537.94

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Solution

The fourth proportional to 188,422.70, 260,020.38 and 103,537.94 is: 142,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,422.70 : 260,020.38 = 103,537.94 : x
  2. Step 2: Convert to fraction form
    188,422.70/260,020.38 = 103,537.94/x
  3. Step 3: Cross multiply
    188,422.70x = 260,020.38 × 103,537.94
  4. Step 4: Simplify right side
    188,422.70x = 26,921,974,503.22
  5. Step 5: Solve for x
    x = 26,921,974,503.22/188,422.70
  6. Step 6: Final answer
    x = 142,880.74

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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.