Home / 106,471.20-159,604.40-82,765.60

Finding the Fourth Proportional to 106,471.20, 159,604.40 and 82,765.60

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Solution

The fourth proportional to 106,471.20, 159,604.40 and 82,765.60 is: 124,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,471.20 : 159,604.40 = 82,765.60 : x
  2. Step 2: Convert to fraction form
    106,471.20/159,604.40 = 82,765.60/x
  3. Step 3: Cross multiply
    106,471.20x = 159,604.40 × 82,765.60
  4. Step 4: Simplify right side
    106,471.20x = 13,209,753,928.64
  5. Step 5: Solve for x
    x = 13,209,753,928.64/106,471.20
  6. Step 6: Final answer
    x = 124,068.80

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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.