Home / 112,033.39-167,920.08-45,390.64

Finding the Fourth Proportional to 112,033.39, 167,920.08 and 45,390.64

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Solution

The fourth proportional to 112,033.39, 167,920.08 and 45,390.64 is: 68,033.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,033.39 : 167,920.08 = 45,390.64 : x
  2. Step 2: Convert to fraction form
    112,033.39/167,920.08 = 45,390.64/x
  3. Step 3: Cross multiply
    112,033.39x = 167,920.08 × 45,390.64
  4. Step 4: Simplify right side
    112,033.39x = 7,621,999,900.05
  5. Step 5: Solve for x
    x = 7,621,999,900.05/112,033.39
  6. Step 6: Final answer
    x = 68,033.29

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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.