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Finding the Fourth Proportional to 114,423.60, 171,635.40 and 67,729.20

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Solution

The fourth proportional to 114,423.60, 171,635.40 and 67,729.20 is: 101,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,423.60 : 171,635.40 = 67,729.20 : x
  2. Step 2: Convert to fraction form
    114,423.60/171,635.40 = 67,729.20/x
  3. Step 3: Cross multiply
    114,423.60x = 171,635.40 × 67,729.20
  4. Step 4: Simplify right side
    114,423.60x = 11,624,728,333.68
  5. Step 5: Solve for x
    x = 11,624,728,333.68/114,423.60
  6. Step 6: Final answer
    x = 101,593.80

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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.