Home / 112,395.39-168,676.26-53,231.20

Finding the Fourth Proportional to 112,395.39, 168,676.26 and 53,231.20

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Solution

The fourth proportional to 112,395.39, 168,676.26 and 53,231.20 is: 79,886.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,395.39 : 168,676.26 = 53,231.20 : x
  2. Step 2: Convert to fraction form
    112,395.39/168,676.26 = 53,231.20/x
  3. Step 3: Cross multiply
    112,395.39x = 168,676.26 × 53,231.20
  4. Step 4: Simplify right side
    112,395.39x = 8,978,839,110.00
  5. Step 5: Solve for x
    x = 8,978,839,110.00/112,395.39
  6. Step 6: Final answer
    x = 79,886.19

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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.