Home / 140,179.56-210,297-51,433.80

Finding the Fourth Proportional to 140,179.56, 210,297 and 51,433.80

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Solution

The fourth proportional to 140,179.56, 210,297 and 51,433.80 is: 77,160.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,179.56 : 210,297 = 51,433.80 : x
  2. Step 2: Convert to fraction form
    140,179.56/210,297 = 51,433.80/x
  3. Step 3: Cross multiply
    140,179.56x = 210,297 × 51,433.80
  4. Step 4: Simplify right side
    140,179.56x = 10,816,373,838.60
  5. Step 5: Solve for x
    x = 10,816,373,838.60/140,179.56
  6. Step 6: Final answer
    x = 77,160.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.