Home / 166,909.41-250,211.43-72,080.28

Finding the Fourth Proportional to 166,909.41, 250,211.43 and 72,080.28

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Solution

The fourth proportional to 166,909.41, 250,211.43 and 72,080.28 is: 108,054.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,909.41 : 250,211.43 = 72,080.28 : x
  2. Step 2: Convert to fraction form
    166,909.41/250,211.43 = 72,080.28/x
  3. Step 3: Cross multiply
    166,909.41x = 250,211.43 × 72,080.28
  4. Step 4: Simplify right side
    166,909.41x = 18,035,309,933.60
  5. Step 5: Solve for x
    x = 18,035,309,933.60/166,909.41
  6. Step 6: Final answer
    x = 108,054.48

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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.