Home / 123,927.36-171,021.09-67,338.73

Finding the Fourth Proportional to 123,927.36, 171,021.09 and 67,338.73

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Solution

The fourth proportional to 123,927.36, 171,021.09 and 67,338.73 is: 92,928.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,927.36 : 171,021.09 = 67,338.73 : x
  2. Step 2: Convert to fraction form
    123,927.36/171,021.09 = 67,338.73/x
  3. Step 3: Cross multiply
    123,927.36x = 171,021.09 × 67,338.73
  4. Step 4: Simplify right side
    123,927.36x = 11,516,343,003.82
  5. Step 5: Solve for x
    x = 11,516,343,003.82/123,927.36
  6. Step 6: Final answer
    x = 92,928.17

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1.5x scale

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.