Home / 84,542.68-126,938.22-83,049.40

Finding the Fourth Proportional to 84,542.68, 126,938.22 and 83,049.40

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Solution

The fourth proportional to 84,542.68, 126,938.22 and 83,049.40 is: 124,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,542.68 : 126,938.22 = 83,049.40 : x
  2. Step 2: Convert to fraction form
    84,542.68/126,938.22 = 83,049.40/x
  3. Step 3: Cross multiply
    84,542.68x = 126,938.22 × 83,049.40
  4. Step 4: Simplify right side
    84,542.68x = 10,542,143,008.07
  5. Step 5: Solve for x
    x = 10,542,143,008.07/84,542.68
  6. Step 6: Final answer
    x = 124,696.11

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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.