Home / 156,085.61-234,121.39-50,905.49

Finding the Fourth Proportional to 156,085.61, 234,121.39 and 50,905.49

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Solution

The fourth proportional to 156,085.61, 234,121.39 and 50,905.49 is: 76,355.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,085.61 : 234,121.39 = 50,905.49 : x
  2. Step 2: Convert to fraction form
    156,085.61/234,121.39 = 50,905.49/x
  3. Step 3: Cross multiply
    156,085.61x = 234,121.39 × 50,905.49
  4. Step 4: Simplify right side
    156,085.61x = 11,918,062,779.56
  5. Step 5: Solve for x
    x = 11,918,062,779.56/156,085.61
  6. Step 6: Final answer
    x = 76,355.94

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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.