Home / 83,209.20-124,813.80-82,334.40

Finding the Fourth Proportional to 83,209.20, 124,813.80 and 82,334.40

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Solution

The fourth proportional to 83,209.20, 124,813.80 and 82,334.40 is: 123,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,209.20 : 124,813.80 = 82,334.40 : x
  2. Step 2: Convert to fraction form
    83,209.20/124,813.80 = 82,334.40/x
  3. Step 3: Cross multiply
    83,209.20x = 124,813.80 × 82,334.40
  4. Step 4: Simplify right side
    83,209.20x = 10,276,469,334.72
  5. Step 5: Solve for x
    x = 10,276,469,334.72/83,209.20
  6. Step 6: Final answer
    x = 123,501.60

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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.