Home / 112,735.68-169,135.92-53,489.85

Finding the Fourth Proportional to 112,735.68, 169,135.92 and 53,489.85

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Solution

The fourth proportional to 112,735.68, 169,135.92 and 53,489.85 is: 80,250.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,735.68 : 169,135.92 = 53,489.85 : x
  2. Step 2: Convert to fraction form
    112,735.68/169,135.92 = 53,489.85/x
  3. Step 3: Cross multiply
    112,735.68x = 169,135.92 × 53,489.85
  4. Step 4: Simplify right side
    112,735.68x = 9,047,054,990.41
  5. Step 5: Solve for x
    x = 9,047,054,990.41/112,735.68
  6. Step 6: Final answer
    x = 80,250.15

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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.