Home / 111,159.17-166,687.73-47,949

Finding the Fourth Proportional to 111,159.17, 166,687.73 and 47,949

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Solution

The fourth proportional to 111,159.17, 166,687.73 and 47,949 is: 71,901.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,159.17 : 166,687.73 = 47,949 : x
  2. Step 2: Convert to fraction form
    111,159.17/166,687.73 = 47,949/x
  3. Step 3: Cross multiply
    111,159.17x = 166,687.73 × 47,949
  4. Step 4: Simplify right side
    111,159.17x = 7,992,509,726.03
  5. Step 5: Solve for x
    x = 7,992,509,726.03/111,159.17
  6. Step 6: Final answer
    x = 71,901.49

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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.