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Finding the Fourth Proportional to 125,786.98, 188,680.48 and 32,292.74

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Solution

The fourth proportional to 125,786.98, 188,680.48 and 32,292.74 is: 48,439.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,786.98 : 188,680.48 = 32,292.74 : x
  2. Step 2: Convert to fraction form
    125,786.98/188,680.48 = 32,292.74/x
  3. Step 3: Cross multiply
    125,786.98x = 188,680.48 × 32,292.74
  4. Step 4: Simplify right side
    125,786.98x = 6,093,009,683.72
  5. Step 5: Solve for x
    x = 6,093,009,683.72/125,786.98
  6. Step 6: Final answer
    x = 48,439.11

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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.