Home / 164,339.68-246,633.60-80,086.72

Finding the Fourth Proportional to 164,339.68, 246,633.60 and 80,086.72

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Solution

The fourth proportional to 164,339.68, 246,633.60 and 80,086.72 is: 120,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,339.68 : 246,633.60 = 80,086.72 : x
  2. Step 2: Convert to fraction form
    164,339.68/246,633.60 = 80,086.72/x
  3. Step 3: Cross multiply
    164,339.68x = 246,633.60 × 80,086.72
  4. Step 4: Simplify right side
    164,339.68x = 19,752,076,065.79
  5. Step 5: Solve for x
    x = 19,752,076,065.79/164,339.68
  6. Step 6: Final answer
    x = 120,190.55

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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.