Home / 83,451.57-125,177.36-20,271.30

Finding the Fourth Proportional to 83,451.57, 125,177.36 and 20,271.30

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Solution

The fourth proportional to 83,451.57, 125,177.36 and 20,271.30 is: 30,406.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,451.57 : 125,177.36 = 20,271.30 : x
  2. Step 2: Convert to fraction form
    83,451.57/125,177.36 = 20,271.30/x
  3. Step 3: Cross multiply
    83,451.57x = 125,177.36 × 20,271.30
  4. Step 4: Simplify right side
    83,451.57x = 2,537,507,716.41
  5. Step 5: Solve for x
    x = 2,537,507,716.41/83,451.57
  6. Step 6: Final answer
    x = 30,406.95

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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.