Home / 248,721.21-373,118.85-80,186.13

Finding the Fourth Proportional to 248,721.21, 373,118.85 and 80,186.13

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Solution

The fourth proportional to 248,721.21, 373,118.85 and 80,186.13 is: 120,291.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,721.21 : 373,118.85 = 80,186.13 : x
  2. Step 2: Convert to fraction form
    248,721.21/373,118.85 = 80,186.13/x
  3. Step 3: Cross multiply
    248,721.21x = 373,118.85 × 80,186.13
  4. Step 4: Simplify right side
    248,721.21x = 29,918,956,611.55
  5. Step 5: Solve for x
    x = 29,918,956,611.55/248,721.21
  6. Step 6: Final answer
    x = 120,291.13

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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.