Home / 83,396.71-125,095.31-20,216.59

Finding the Fourth Proportional to 83,396.71, 125,095.31 and 20,216.59

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Solution

The fourth proportional to 83,396.71, 125,095.31 and 20,216.59 is: 30,324.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,396.71 : 125,095.31 = 20,216.59 : x
  2. Step 2: Convert to fraction form
    83,396.71/125,095.31 = 20,216.59/x
  3. Step 3: Cross multiply
    83,396.71x = 125,095.31 × 20,216.59
  4. Step 4: Simplify right side
    83,396.71x = 2,529,000,593.19
  5. Step 5: Solve for x
    x = 2,529,000,593.19/83,396.71
  6. Step 6: Final answer
    x = 30,324.94

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1.5x scale

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.