Home / 123,932.28-171,012.66-70,205.79

Finding the Fourth Proportional to 123,932.28, 171,012.66 and 70,205.79

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Solution

The fourth proportional to 123,932.28, 171,012.66 and 70,205.79 is: 96,876.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,932.28 : 171,012.66 = 70,205.79 : x
  2. Step 2: Convert to fraction form
    123,932.28/171,012.66 = 70,205.79/x
  3. Step 3: Cross multiply
    123,932.28x = 171,012.66 × 70,205.79
  4. Step 4: Simplify right side
    123,932.28x = 12,006,078,895.30
  5. Step 5: Solve for x
    x = 12,006,078,895.30/123,932.28
  6. Step 6: Final answer
    x = 96,876.12

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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.