Home / 83,426.23-125,138.30-20,246.88

Finding the Fourth Proportional to 83,426.23, 125,138.30 and 20,246.88

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Solution

The fourth proportional to 83,426.23, 125,138.30 and 20,246.88 is: 30,370.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,426.23 : 125,138.30 = 20,246.88 : x
  2. Step 2: Convert to fraction form
    83,426.23/125,138.30 = 20,246.88/x
  3. Step 3: Cross multiply
    83,426.23x = 125,138.30 × 20,246.88
  4. Step 4: Simplify right side
    83,426.23x = 2,533,660,143.50
  5. Step 5: Solve for x
    x = 2,533,660,143.50/83,426.23
  6. Step 6: Final answer
    x = 30,370.07

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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.