Home / 84,846.20-127,269.30-71,724.20

Finding the Fourth Proportional to 84,846.20, 127,269.30 and 71,724.20

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Solution

The fourth proportional to 84,846.20, 127,269.30 and 71,724.20 is: 107,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,846.20 : 127,269.30 = 71,724.20 : x
  2. Step 2: Convert to fraction form
    84,846.20/127,269.30 = 71,724.20/x
  3. Step 3: Cross multiply
    84,846.20x = 127,269.30 × 71,724.20
  4. Step 4: Simplify right side
    84,846.20x = 9,128,288,727.06
  5. Step 5: Solve for x
    x = 9,128,288,727.06/84,846.20
  6. Step 6: Final answer
    x = 107,586.30

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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.