Home / 144,944.96-200,034.30-80,434.86

Finding the Fourth Proportional to 144,944.96, 200,034.30 and 80,434.86

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Solution

The fourth proportional to 144,944.96, 200,034.30 and 80,434.86 is: 111,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,944.96 : 200,034.30 = 80,434.86 : x
  2. Step 2: Convert to fraction form
    144,944.96/200,034.30 = 80,434.86/x
  3. Step 3: Cross multiply
    144,944.96x = 200,034.30 × 80,434.86
  4. Step 4: Simplify right side
    144,944.96x = 16,089,730,915.70
  5. Step 5: Solve for x
    x = 16,089,730,915.70/144,944.96
  6. Step 6: Final answer
    x = 111,005.80

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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.