Home / 140,304.16-193,611.12-76,629.04

Finding the Fourth Proportional to 140,304.16, 193,611.12 and 76,629.04

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Solution

The fourth proportional to 140,304.16, 193,611.12 and 76,629.04 is: 105,743.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,304.16 : 193,611.12 = 76,629.04 : x
  2. Step 2: Convert to fraction form
    140,304.16/193,611.12 = 76,629.04/x
  3. Step 3: Cross multiply
    140,304.16x = 193,611.12 × 76,629.04
  4. Step 4: Simplify right side
    140,304.16x = 14,836,234,258.92
  5. Step 5: Solve for x
    x = 14,836,234,258.92/140,304.16
  6. Step 6: Final answer
    x = 105,743.37

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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.