Home / 110,977.28-166,507.88-66,634.88

Finding the Fourth Proportional to 110,977.28, 166,507.88 and 66,634.88

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Solution

The fourth proportional to 110,977.28, 166,507.88 and 66,634.88 is: 99,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,977.28 : 166,507.88 = 66,634.88 : x
  2. Step 2: Convert to fraction form
    110,977.28/166,507.88 = 66,634.88/x
  3. Step 3: Cross multiply
    110,977.28x = 166,507.88 × 66,634.88
  4. Step 4: Simplify right side
    110,977.28x = 11,095,232,602.85
  5. Step 5: Solve for x
    x = 11,095,232,602.85/110,977.28
  6. Step 6: Final answer
    x = 99,977.51

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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.