Home / 140,634.73-194,079.12-76,972.69

Finding the Fourth Proportional to 140,634.73, 194,079.12 and 76,972.69

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Solution

The fourth proportional to 140,634.73, 194,079.12 and 76,972.69 is: 106,224.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,634.73 : 194,079.12 = 76,972.69 : x
  2. Step 2: Convert to fraction form
    140,634.73/194,079.12 = 76,972.69/x
  3. Step 3: Cross multiply
    140,634.73x = 194,079.12 × 76,972.69
  4. Step 4: Simplify right side
    140,634.73x = 14,938,791,939.23
  5. Step 5: Solve for x
    x = 14,938,791,939.23/140,634.73
  6. Step 6: Final answer
    x = 106,224.06

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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.