Home / 148,219.20-204,542.28-80,235.84

Finding the Fourth Proportional to 148,219.20, 204,542.28 and 80,235.84

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Solution

The fourth proportional to 148,219.20, 204,542.28 and 80,235.84 is: 110,725.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,219.20 : 204,542.28 = 80,235.84 : x
  2. Step 2: Convert to fraction form
    148,219.20/204,542.28 = 80,235.84/x
  3. Step 3: Cross multiply
    148,219.20x = 204,542.28 × 80,235.84
  4. Step 4: Simplify right side
    148,219.20x = 16,411,621,651.32
  5. Step 5: Solve for x
    x = 16,411,621,651.32/148,219.20
  6. Step 6: Final answer
    x = 110,725.34

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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.