Home / 123,942.40-185,625.25-120,533.11

Finding the Fourth Proportional to 123,942.40, 185,625.25 and 120,533.11

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Solution

The fourth proportional to 123,942.40, 185,625.25 and 120,533.11 is: 180,519.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,942.40 : 185,625.25 = 120,533.11 : x
  2. Step 2: Convert to fraction form
    123,942.40/185,625.25 = 120,533.11/x
  3. Step 3: Cross multiply
    123,942.40x = 185,625.25 × 120,533.11
  4. Step 4: Simplify right side
    123,942.40x = 22,373,987,911.63
  5. Step 5: Solve for x
    x = 22,373,987,911.63/123,942.40
  6. Step 6: Final answer
    x = 180,519.24

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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.