Home / 161,728.60-242,592.90-49,408.60

Finding the Fourth Proportional to 161,728.60, 242,592.90 and 49,408.60

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Solution

The fourth proportional to 161,728.60, 242,592.90 and 49,408.60 is: 74,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,728.60 : 242,592.90 = 49,408.60 : x
  2. Step 2: Convert to fraction form
    161,728.60/242,592.90 = 49,408.60/x
  3. Step 3: Cross multiply
    161,728.60x = 242,592.90 × 49,408.60
  4. Step 4: Simplify right side
    161,728.60x = 11,986,175,558.94
  5. Step 5: Solve for x
    x = 11,986,175,558.94/161,728.60
  6. Step 6: Final answer
    x = 74,112.90

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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.