Home / 188,916.32-260,707.94-102,877.85

Finding the Fourth Proportional to 188,916.32, 260,707.94 and 102,877.85

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Solution

The fourth proportional to 188,916.32, 260,707.94 and 102,877.85 is: 141,973.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,916.32 : 260,707.94 = 102,877.85 : x
  2. Step 2: Convert to fraction form
    188,916.32/260,707.94 = 102,877.85/x
  3. Step 3: Cross multiply
    188,916.32x = 260,707.94 × 102,877.85
  4. Step 4: Simplify right side
    188,916.32x = 26,821,070,527.20
  5. Step 5: Solve for x
    x = 26,821,070,527.20/188,916.32
  6. Step 6: Final answer
    x = 141,973.29

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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.