Home / 102,824.49-154,179.42-31,726.94

Finding the Fourth Proportional to 102,824.49, 154,179.42 and 31,726.94

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Solution

The fourth proportional to 102,824.49, 154,179.42 and 31,726.94 is: 47,572.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,824.49 : 154,179.42 = 31,726.94 : x
  2. Step 2: Convert to fraction form
    102,824.49/154,179.42 = 31,726.94/x
  3. Step 3: Cross multiply
    102,824.49x = 154,179.42 × 31,726.94
  4. Step 4: Simplify right side
    102,824.49x = 4,891,640,436.68
  5. Step 5: Solve for x
    x = 4,891,640,436.68/102,824.49
  6. Step 6: Final answer
    x = 47,572.72

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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.