Home / 112,489.44-168,729.96-28,250.16

Finding the Fourth Proportional to 112,489.44, 168,729.96 and 28,250.16

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Solution

The fourth proportional to 112,489.44, 168,729.96 and 28,250.16 is: 42,374.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,489.44 : 168,729.96 = 28,250.16 : x
  2. Step 2: Convert to fraction form
    112,489.44/168,729.96 = 28,250.16/x
  3. Step 3: Cross multiply
    112,489.44x = 168,729.96 × 28,250.16
  4. Step 4: Simplify right side
    112,489.44x = 4,766,648,366.79
  5. Step 5: Solve for x
    x = 4,766,648,366.79/112,489.44
  6. Step 6: Final answer
    x = 42,374.19

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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.