Home / 123,927.28-171,020.73-67,338.65

Finding the Fourth Proportional to 123,927.28, 171,020.73 and 67,338.65

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Solution

The fourth proportional to 123,927.28, 171,020.73 and 67,338.65 is: 92,927.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,927.28 : 171,020.73 = 67,338.65 : x
  2. Step 2: Convert to fraction form
    123,927.28/171,020.73 = 67,338.65/x
  3. Step 3: Cross multiply
    123,927.28x = 171,020.73 × 67,338.65
  4. Step 4: Simplify right side
    123,927.28x = 11,516,305,171.07
  5. Step 5: Solve for x
    x = 11,516,305,171.07/123,927.28
  6. Step 6: Final answer
    x = 92,927.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.