Home / 180,140.30-270,225.45-53,772.20

Finding the Fourth Proportional to 180,140.30, 270,225.45 and 53,772.20

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Solution

The fourth proportional to 180,140.30, 270,225.45 and 53,772.20 is: 80,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,140.30 : 270,225.45 = 53,772.20 : x
  2. Step 2: Convert to fraction form
    180,140.30/270,225.45 = 53,772.20/x
  3. Step 3: Cross multiply
    180,140.30x = 270,225.45 × 53,772.20
  4. Step 4: Simplify right side
    180,140.30x = 14,530,616,942.49
  5. Step 5: Solve for x
    x = 14,530,616,942.49/180,140.30
  6. Step 6: Final answer
    x = 80,662.78

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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.