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Finding the Fourth Proportional to 125,871.67, 188,808 and 50,993.23

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Solution

The fourth proportional to 125,871.67, 188,808 and 50,993.23 is: 76,490.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,871.67 : 188,808 = 50,993.23 : x
  2. Step 2: Convert to fraction form
    125,871.67/188,808 = 50,993.23/x
  3. Step 3: Cross multiply
    125,871.67x = 188,808 × 50,993.23
  4. Step 4: Simplify right side
    125,871.67x = 9,627,929,769.84
  5. Step 5: Solve for x
    x = 9,627,929,769.84/125,871.67
  6. Step 6: Final answer
    x = 76,490.05

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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.