Home / 140,787.14-194,237.56-106,760.18

Finding the Fourth Proportional to 140,787.14, 194,237.56 and 106,760.18

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Solution

The fourth proportional to 140,787.14, 194,237.56 and 106,760.18 is: 147,292.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,787.14 : 194,237.56 = 106,760.18 : x
  2. Step 2: Convert to fraction form
    140,787.14/194,237.56 = 106,760.18/x
  3. Step 3: Cross multiply
    140,787.14x = 194,237.56 × 106,760.18
  4. Step 4: Simplify right side
    140,787.14x = 20,736,835,630.27
  5. Step 5: Solve for x
    x = 20,736,835,630.27/140,787.14
  6. Step 6: Final answer
    x = 147,292.12

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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.