Home / 180,815.20-271,025.76-154,439.92

Finding the Fourth Proportional to 180,815.20, 271,025.76 and 154,439.92

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Solution

The fourth proportional to 180,815.20, 271,025.76 and 154,439.92 is: 231,491.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,815.20 : 271,025.76 = 154,439.92 : x
  2. Step 2: Convert to fraction form
    180,815.20/271,025.76 = 154,439.92/x
  3. Step 3: Cross multiply
    180,815.20x = 271,025.76 × 154,439.92
  4. Step 4: Simplify right side
    180,815.20x = 41,857,196,692.34
  5. Step 5: Solve for x
    x = 41,857,196,692.34/180,815.20
  6. Step 6: Final answer
    x = 231,491.58

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1.5x scale

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.