Home / 148,245.80-204,579.34-80,262.82

Finding the Fourth Proportional to 148,245.80, 204,579.34 and 80,262.82

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Solution

The fourth proportional to 148,245.80, 204,579.34 and 80,262.82 is: 110,762.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,245.80 : 204,579.34 = 80,262.82 : x
  2. Step 2: Convert to fraction form
    148,245.80/204,579.34 = 80,262.82/x
  3. Step 3: Cross multiply
    148,245.80x = 204,579.34 × 80,262.82
  4. Step 4: Simplify right side
    148,245.80x = 16,420,114,742.14
  5. Step 5: Solve for x
    x = 16,420,114,742.14/148,245.80
  6. Step 6: Final answer
    x = 110,762.77

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1.5x scale

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.