Home / 123,629.40-185,492.70-48,736.80

Finding the Fourth Proportional to 123,629.40, 185,492.70 and 48,736.80

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Solution

The fourth proportional to 123,629.40, 185,492.70 and 48,736.80 is: 73,124.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,629.40 : 185,492.70 = 48,736.80 : x
  2. Step 2: Convert to fraction form
    123,629.40/185,492.70 = 48,736.80/x
  3. Step 3: Cross multiply
    123,629.40x = 185,492.70 × 48,736.80
  4. Step 4: Simplify right side
    123,629.40x = 9,040,320,621.36
  5. Step 5: Solve for x
    x = 9,040,320,621.36/123,629.40
  6. Step 6: Final answer
    x = 73,124.36

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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.