Home / 111,175.70-166,713.13-47,965.94

Finding the Fourth Proportional to 111,175.70, 166,713.13 and 47,965.94

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Solution

The fourth proportional to 111,175.70, 166,713.13 and 47,965.94 is: 71,927.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,175.70 : 166,713.13 = 47,965.94 : x
  2. Step 2: Convert to fraction form
    111,175.70/166,713.13 = 47,965.94/x
  3. Step 3: Cross multiply
    111,175.70x = 166,713.13 × 47,965.94
  4. Step 4: Simplify right side
    111,175.70x = 7,996,551,037.31
  5. Step 5: Solve for x
    x = 7,996,551,037.31/111,175.70
  6. Step 6: Final answer
    x = 71,927.15

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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.