Home / 123,927.84-171,023.04-67,338.72

Finding the Fourth Proportional to 123,927.84, 171,023.04 and 67,338.72

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Solution

The fourth proportional to 123,927.84, 171,023.04 and 67,338.72 is: 92,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,927.84 : 171,023.04 = 67,338.72 : x
  2. Step 2: Convert to fraction form
    123,927.84/171,023.04 = 67,338.72/x
  3. Step 3: Cross multiply
    123,927.84x = 171,023.04 × 67,338.72
  4. Step 4: Simplify right side
    123,927.84x = 11,516,472,604.11
  5. Step 5: Solve for x
    x = 11,516,472,604.11/123,927.84
  6. Step 6: Final answer
    x = 92,928.86

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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.