Home / 113,961.42-170,962.79-57,065

Finding the Fourth Proportional to 113,961.42, 170,962.79 and 57,065

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Solution

The fourth proportional to 113,961.42, 170,962.79 and 57,065 is: 85,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,961.42 : 170,962.79 = 57,065 : x
  2. Step 2: Convert to fraction form
    113,961.42/170,962.79 = 57,065/x
  3. Step 3: Cross multiply
    113,961.42x = 170,962.79 × 57,065
  4. Step 4: Simplify right side
    113,961.42x = 9,755,991,611.35
  5. Step 5: Solve for x
    x = 9,755,991,611.35/113,961.42
  6. Step 6: Final answer
    x = 85,607.85

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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.