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Finding the Fourth Proportional to 83,253.80, 124,880.70 and 82,735.40

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Solution

The fourth proportional to 83,253.80, 124,880.70 and 82,735.40 is: 124,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,253.80 : 124,880.70 = 82,735.40 : x
  2. Step 2: Convert to fraction form
    83,253.80/124,880.70 = 82,735.40/x
  3. Step 3: Cross multiply
    83,253.80x = 124,880.70 × 82,735.40
  4. Step 4: Simplify right side
    83,253.80x = 10,332,054,666.78
  5. Step 5: Solve for x
    x = 10,332,054,666.78/83,253.80
  6. Step 6: Final answer
    x = 124,103.10

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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.