Home / 188,869.34-260,639.73-102,828.33

Finding the Fourth Proportional to 188,869.34, 260,639.73 and 102,828.33

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Solution

The fourth proportional to 188,869.34, 260,639.73 and 102,828.33 is: 141,903.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,869.34 : 260,639.73 = 102,828.33 : x
  2. Step 2: Convert to fraction form
    188,869.34/260,639.73 = 102,828.33/x
  3. Step 3: Cross multiply
    188,869.34x = 260,639.73 × 102,828.33
  4. Step 4: Simplify right side
    188,869.34x = 26,801,148,167.55
  5. Step 5: Solve for x
    x = 26,801,148,167.55/188,869.34
  6. Step 6: Final answer
    x = 141,903.12

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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.