Home / 113,976.24-170,835.84-69,505.36

Finding the Fourth Proportional to 113,976.24, 170,835.84 and 69,505.36

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Solution

The fourth proportional to 113,976.24, 170,835.84 and 69,505.36 is: 104,179.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,976.24 : 170,835.84 = 69,505.36 : x
  2. Step 2: Convert to fraction form
    113,976.24/170,835.84 = 69,505.36/x
  3. Step 3: Cross multiply
    113,976.24x = 170,835.84 × 69,505.36
  4. Step 4: Simplify right side
    113,976.24x = 11,874,006,560.10
  5. Step 5: Solve for x
    x = 11,874,006,560.10/113,976.24
  6. Step 6: Final answer
    x = 104,179.67

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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.