Home / 103,408.62-155,094.45-27,507.57

Finding the Fourth Proportional to 103,408.62, 155,094.45 and 27,507.57

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Solution

The fourth proportional to 103,408.62, 155,094.45 and 27,507.57 is: 41,256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,408.62 : 155,094.45 = 27,507.57 : x
  2. Step 2: Convert to fraction form
    103,408.62/155,094.45 = 27,507.57/x
  3. Step 3: Cross multiply
    103,408.62x = 155,094.45 × 27,507.57
  4. Step 4: Simplify right side
    103,408.62x = 4,266,271,439.99
  5. Step 5: Solve for x
    x = 4,266,271,439.99/103,408.62
  6. Step 6: Final answer
    x = 41,256.44

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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.