Home / 140,790.54-194,304.87-80,370.27

Finding the Fourth Proportional to 140,790.54, 194,304.87 and 80,370.27

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Solution

The fourth proportional to 140,790.54, 194,304.87 and 80,370.27 is: 110,918.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,790.54 : 194,304.87 = 80,370.27 : x
  2. Step 2: Convert to fraction form
    140,790.54/194,304.87 = 80,370.27/x
  3. Step 3: Cross multiply
    140,790.54x = 194,304.87 × 80,370.27
  4. Step 4: Simplify right side
    140,790.54x = 15,616,334,864.21
  5. Step 5: Solve for x
    x = 15,616,334,864.21/140,790.54
  6. Step 6: Final answer
    x = 110,918.92

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1.5x scale

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.