Home / 113,795.23-170,638.31-53,773.75

Finding the Fourth Proportional to 113,795.23, 170,638.31 and 53,773.75

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Solution

The fourth proportional to 113,795.23, 170,638.31 and 53,773.75 is: 80,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,795.23 : 170,638.31 = 53,773.75 : x
  2. Step 2: Convert to fraction form
    113,795.23/170,638.31 = 53,773.75/x
  3. Step 3: Cross multiply
    113,795.23x = 170,638.31 × 53,773.75
  4. Step 4: Simplify right side
    113,795.23x = 9,175,860,969.17
  5. Step 5: Solve for x
    x = 9,175,860,969.17/113,795.23
  6. Step 6: Final answer
    x = 80,634.85

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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.