Home / 113,568.12-170,163.86-69,060.24

Finding the Fourth Proportional to 113,568.12, 170,163.86 and 69,060.24

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Solution

The fourth proportional to 113,568.12, 170,163.86 and 69,060.24 is: 103,475.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,568.12 : 170,163.86 = 69,060.24 : x
  2. Step 2: Convert to fraction form
    113,568.12/170,163.86 = 69,060.24/x
  3. Step 3: Cross multiply
    113,568.12x = 170,163.86 × 69,060.24
  4. Step 4: Simplify right side
    113,568.12x = 11,751,556,665.63
  5. Step 5: Solve for x
    x = 11,751,556,665.63/113,568.12
  6. Step 6: Final answer
    x = 103,475.84

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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.