Home / 140,429.70-210,644.55-133,212.60

Finding the Fourth Proportional to 140,429.70, 210,644.55 and 133,212.60

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Solution

The fourth proportional to 140,429.70, 210,644.55 and 133,212.60 is: 199,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,429.70 : 210,644.55 = 133,212.60 : x
  2. Step 2: Convert to fraction form
    140,429.70/210,644.55 = 133,212.60/x
  3. Step 3: Cross multiply
    140,429.70x = 210,644.55 × 133,212.60
  4. Step 4: Simplify right side
    140,429.70x = 28,060,508,181.33
  5. Step 5: Solve for x
    x = 28,060,508,181.33/140,429.70
  6. Step 6: Final answer
    x = 199,818.90

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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.