Home / 144,942.96-200,031.54-80,432.86

Finding the Fourth Proportional to 144,942.96, 200,031.54 and 80,432.86

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Solution

The fourth proportional to 144,942.96, 200,031.54 and 80,432.86 is: 111,003.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,942.96 : 200,031.54 = 80,432.86 : x
  2. Step 2: Convert to fraction form
    144,942.96/200,031.54 = 80,432.86/x
  3. Step 3: Cross multiply
    144,942.96x = 200,031.54 × 80,432.86
  4. Step 4: Simplify right side
    144,942.96x = 16,089,108,852.40
  5. Step 5: Solve for x
    x = 16,089,108,852.40/144,942.96
  6. Step 6: Final answer
    x = 111,003.04

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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.