Home / 83,464.90-125,197.32-20,284.69

Finding the Fourth Proportional to 83,464.90, 125,197.32 and 20,284.69

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Solution

The fourth proportional to 83,464.90, 125,197.32 and 20,284.69 is: 30,427.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,464.90 : 125,197.32 = 20,284.69 : x
  2. Step 2: Convert to fraction form
    83,464.90/125,197.32 = 20,284.69/x
  3. Step 3: Cross multiply
    83,464.90x = 125,197.32 × 20,284.69
  4. Step 4: Simplify right side
    83,464.90x = 2,539,588,825.03
  5. Step 5: Solve for x
    x = 2,539,588,825.03/83,464.90
  6. Step 6: Final answer
    x = 30,427.03

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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.