Home / 113,821.80-170,732.70-102,546.60

Finding the Fourth Proportional to 113,821.80, 170,732.70 and 102,546.60

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Solution

The fourth proportional to 113,821.80, 170,732.70 and 102,546.60 is: 153,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,821.80 : 170,732.70 = 102,546.60 : x
  2. Step 2: Convert to fraction form
    113,821.80/170,732.70 = 102,546.60/x
  3. Step 3: Cross multiply
    113,821.80x = 170,732.70 × 102,546.60
  4. Step 4: Simplify right side
    113,821.80x = 17,508,057,893.82
  5. Step 5: Solve for x
    x = 17,508,057,893.82/113,821.80
  6. Step 6: Final answer
    x = 153,819.90

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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.