Home / 166,011.20-248,719.80-100,977.20

Finding the Fourth Proportional to 166,011.20, 248,719.80 and 100,977.20

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Solution

The fourth proportional to 166,011.20, 248,719.80 and 100,977.20 is: 151,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,011.20 : 248,719.80 = 100,977.20 : x
  2. Step 2: Convert to fraction form
    166,011.20/248,719.80 = 100,977.20/x
  3. Step 3: Cross multiply
    166,011.20x = 248,719.80 × 100,977.20
  4. Step 4: Simplify right side
    166,011.20x = 25,115,028,988.56
  5. Step 5: Solve for x
    x = 25,115,028,988.56/166,011.20
  6. Step 6: Final answer
    x = 151,285.15

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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.