Home / 123,400.35-185,118.62-39,132.41

Finding the Fourth Proportional to 123,400.35, 185,118.62 and 39,132.41

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Solution

The fourth proportional to 123,400.35, 185,118.62 and 39,132.41 is: 58,704.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,400.35 : 185,118.62 = 39,132.41 : x
  2. Step 2: Convert to fraction form
    123,400.35/185,118.62 = 39,132.41/x
  3. Step 3: Cross multiply
    123,400.35x = 185,118.62 × 39,132.41
  4. Step 4: Simplify right side
    123,400.35x = 7,244,136,615.22
  5. Step 5: Solve for x
    x = 7,244,136,615.22/123,400.35
  6. Step 6: Final answer
    x = 58,704.34

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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.