Home / 200,981.25-301,069.98-120,974.85

Finding the Fourth Proportional to 200,981.25, 301,069.98 and 120,974.85

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Solution

The fourth proportional to 200,981.25, 301,069.98 and 120,974.85 is: 181,220.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,981.25 : 301,069.98 = 120,974.85 : x
  2. Step 2: Convert to fraction form
    200,981.25/301,069.98 = 120,974.85/x
  3. Step 3: Cross multiply
    200,981.25x = 301,069.98 × 120,974.85
  4. Step 4: Simplify right side
    200,981.25x = 36,421,895,670.00
  5. Step 5: Solve for x
    x = 36,421,895,670.00/200,981.25
  6. Step 6: Final answer
    x = 181,220.37

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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.