Home / 140,790.15-194,304.36-80,369.88

Finding the Fourth Proportional to 140,790.15, 194,304.36 and 80,369.88

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Solution

The fourth proportional to 140,790.15, 194,304.36 and 80,369.88 is: 110,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,790.15 : 194,304.36 = 80,369.88 : x
  2. Step 2: Convert to fraction form
    140,790.15/194,304.36 = 80,369.88/x
  3. Step 3: Cross multiply
    140,790.15x = 194,304.36 × 80,369.88
  4. Step 4: Simplify right side
    140,790.15x = 15,616,218,096.68
  5. Step 5: Solve for x
    x = 15,616,218,096.68/140,790.15
  6. Step 6: Final answer
    x = 110,918.40

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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.