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Finding the Fourth Proportional to 125,483.22, 188,211.06 and 36,737.60

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Solution

The fourth proportional to 125,483.22, 188,211.06 and 36,737.60 is: 55,102.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,483.22 : 188,211.06 = 36,737.60 : x
  2. Step 2: Convert to fraction form
    125,483.22/188,211.06 = 36,737.60/x
  3. Step 3: Cross multiply
    125,483.22x = 188,211.06 × 36,737.60
  4. Step 4: Simplify right side
    125,483.22x = 6,914,421,696.80
  5. Step 5: Solve for x
    x = 6,914,421,696.80/125,483.22
  6. Step 6: Final answer
    x = 55,102.36

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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.