Home / 102,724.20-154,086.30-52,734.60

Finding the Fourth Proportional to 102,724.20, 154,086.30 and 52,734.60

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Solution

The fourth proportional to 102,724.20, 154,086.30 and 52,734.60 is: 79,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,724.20 : 154,086.30 = 52,734.60 : x
  2. Step 2: Convert to fraction form
    102,724.20/154,086.30 = 52,734.60/x
  3. Step 3: Cross multiply
    102,724.20x = 154,086.30 × 52,734.60
  4. Step 4: Simplify right side
    102,724.20x = 8,125,679,395.98
  5. Step 5: Solve for x
    x = 8,125,679,395.98/102,724.20
  6. Step 6: Final answer
    x = 79,101.90

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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.