Home / 113,833.55-170,734.25-71,584.81

Finding the Fourth Proportional to 113,833.55, 170,734.25 and 71,584.81

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Solution

The fourth proportional to 113,833.55, 170,734.25 and 71,584.81 is: 107,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,833.55 : 170,734.25 = 71,584.81 : x
  2. Step 2: Convert to fraction form
    113,833.55/170,734.25 = 71,584.81/x
  3. Step 3: Cross multiply
    113,833.55x = 170,734.25 × 71,584.81
  4. Step 4: Simplify right side
    113,833.55x = 12,221,978,598.87
  5. Step 5: Solve for x
    x = 12,221,978,598.87/113,833.55
  6. Step 6: Final answer
    x = 107,367.10

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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.