Home / 149,172.48-223,728.72-73,239.12

Finding the Fourth Proportional to 149,172.48, 223,728.72 and 73,239.12

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Solution

The fourth proportional to 149,172.48, 223,728.72 and 73,239.12 is: 109,843.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,172.48 : 223,728.72 = 73,239.12 : x
  2. Step 2: Convert to fraction form
    149,172.48/223,728.72 = 73,239.12/x
  3. Step 3: Cross multiply
    149,172.48x = 223,728.72 × 73,239.12
  4. Step 4: Simplify right side
    149,172.48x = 16,385,694,571.53
  5. Step 5: Solve for x
    x = 16,385,694,571.53/149,172.48
  6. Step 6: Final answer
    x = 109,843.95

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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.