Home / 205,450.36-307,750.98-120,950.16

Finding the Fourth Proportional to 205,450.36, 307,750.98 and 120,950.16

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Solution

The fourth proportional to 205,450.36, 307,750.98 and 120,950.16 is: 181,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,450.36 : 307,750.98 = 120,950.16 : x
  2. Step 2: Convert to fraction form
    205,450.36/307,750.98 = 120,950.16/x
  3. Step 3: Cross multiply
    205,450.36x = 307,750.98 × 120,950.16
  4. Step 4: Simplify right side
    205,450.36x = 37,222,530,271.16
  5. Step 5: Solve for x
    x = 37,222,530,271.16/205,450.36
  6. Step 6: Final answer
    x = 181,175.30

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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.