Home / 76,116.04-114,180.80-19,956

Finding the Fourth Proportional to 76,116.04, 114,180.80 and 19,956

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Solution

The fourth proportional to 76,116.04, 114,180.80 and 19,956 is: 29,935.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,116.04 : 114,180.80 = 19,956 : x
  2. Step 2: Convert to fraction form
    76,116.04/114,180.80 = 19,956/x
  3. Step 3: Cross multiply
    76,116.04x = 114,180.80 × 19,956
  4. Step 4: Simplify right side
    76,116.04x = 2,278,592,044.80
  5. Step 5: Solve for x
    x = 2,278,592,044.80/76,116.04
  6. Step 6: Final answer
    x = 29,935.77

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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.