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Finding the Fourth Proportional to 125,912, 188,868 and 38,360

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Solution

The fourth proportional to 125,912, 188,868 and 38,360 is: 57,540

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,912 : 188,868 = 38,360 : x
  2. Step 2: Convert to fraction form
    125,912/188,868 = 38,360/x
  3. Step 3: Cross multiply
    125,912x = 188,868 × 38,360
  4. Step 4: Simplify right side
    125,912x = 7,244,976,480
  5. Step 5: Solve for x
    x = 7,244,976,480/125,912
  6. Step 6: Final answer
    x = 57,540

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.