Home / 102,660.20-154,076.70-50,114.60

Finding the Fourth Proportional to 102,660.20, 154,076.70 and 50,114.60

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Solution

The fourth proportional to 102,660.20, 154,076.70 and 50,114.60 is: 75,214.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,660.20 : 154,076.70 = 50,114.60 : x
  2. Step 2: Convert to fraction form
    102,660.20/154,076.70 = 50,114.60/x
  3. Step 3: Cross multiply
    102,660.20x = 154,076.70 × 50,114.60
  4. Step 4: Simplify right side
    102,660.20x = 7,721,492,189.82
  5. Step 5: Solve for x
    x = 7,721,492,189.82/102,660.20
  6. Step 6: Final answer
    x = 75,214.08

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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.