Home / 136,310.76-188,099.37-85,321.26

Finding the Fourth Proportional to 136,310.76, 188,099.37 and 85,321.26

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Solution

The fourth proportional to 136,310.76, 188,099.37 and 85,321.26 is: 117,737.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,310.76 : 188,099.37 = 85,321.26 : x
  2. Step 2: Convert to fraction form
    136,310.76/188,099.37 = 85,321.26/x
  3. Step 3: Cross multiply
    136,310.76x = 188,099.37 × 85,321.26
  4. Step 4: Simplify right side
    136,310.76x = 16,048,875,253.61
  5. Step 5: Solve for x
    x = 16,048,875,253.61/136,310.76
  6. Step 6: Final answer
    x = 117,737.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.