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Finding the Fourth Proportional to 180,838.40, 271,180.80 and 87,372.80

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Solution

The fourth proportional to 180,838.40, 271,180.80 and 87,372.80 is: 131,022.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,838.40 : 271,180.80 = 87,372.80 : x
  2. Step 2: Convert to fraction form
    180,838.40/271,180.80 = 87,372.80/x
  3. Step 3: Cross multiply
    180,838.40x = 271,180.80 × 87,372.80
  4. Step 4: Simplify right side
    180,838.40x = 23,693,825,802.24
  5. Step 5: Solve for x
    x = 23,693,825,802.24/180,838.40
  6. Step 6: Final answer
    x = 131,022.09

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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.