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Finding the Fourth Proportional to 180,622.80, 271,193.40 and 101,890.80

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Solution

The fourth proportional to 180,622.80, 271,193.40 and 101,890.80 is: 152,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,622.80 : 271,193.40 = 101,890.80 : x
  2. Step 2: Convert to fraction form
    180,622.80/271,193.40 = 101,890.80/x
  3. Step 3: Cross multiply
    180,622.80x = 271,193.40 × 101,890.80
  4. Step 4: Simplify right side
    180,622.80x = 27,632,112,480.72
  5. Step 5: Solve for x
    x = 27,632,112,480.72/180,622.80
  6. Step 6: Final answer
    x = 152,982.42

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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.