Home / 173,890.20-260,835.30-102,739.80

Finding the Fourth Proportional to 173,890.20, 260,835.30 and 102,739.80

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Solution

The fourth proportional to 173,890.20, 260,835.30 and 102,739.80 is: 154,109.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,890.20 : 260,835.30 = 102,739.80 : x
  2. Step 2: Convert to fraction form
    173,890.20/260,835.30 = 102,739.80/x
  3. Step 3: Cross multiply
    173,890.20x = 260,835.30 × 102,739.80
  4. Step 4: Simplify right side
    173,890.20x = 26,798,166,554.94
  5. Step 5: Solve for x
    x = 26,798,166,554.94/173,890.20
  6. Step 6: Final answer
    x = 154,109.70

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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.