Home / 148,821.80-222,714.30-102,165.80

Finding the Fourth Proportional to 148,821.80, 222,714.30 and 102,165.80

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Solution

The fourth proportional to 148,821.80, 222,714.30 and 102,165.80 is: 152,892.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,821.80 : 222,714.30 = 102,165.80 : x
  2. Step 2: Convert to fraction form
    148,821.80/222,714.30 = 102,165.80/x
  3. Step 3: Cross multiply
    148,821.80x = 222,714.30 × 102,165.80
  4. Step 4: Simplify right side
    148,821.80x = 22,753,784,630.94
  5. Step 5: Solve for x
    x = 22,753,784,630.94/148,821.80
  6. Step 6: Final answer
    x = 152,892.82

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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.