Home / 125,728.02-188,618.43-36,974.09

Finding the Fourth Proportional to 125,728.02, 188,618.43 and 36,974.09

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Solution

The fourth proportional to 125,728.02, 188,618.43 and 36,974.09 is: 55,468.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,728.02 : 188,618.43 = 36,974.09 : x
  2. Step 2: Convert to fraction form
    125,728.02/188,618.43 = 36,974.09/x
  3. Step 3: Cross multiply
    125,728.02x = 188,618.43 × 36,974.09
  4. Step 4: Simplify right side
    125,728.02x = 6,973,993,863.39
  5. Step 5: Solve for x
    x = 6,973,993,863.39/125,728.02
  6. Step 6: Final answer
    x = 55,468.89

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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.