Home / 180,273.86-270,220.11-67,905.46

Finding the Fourth Proportional to 180,273.86, 270,220.11 and 67,905.46

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Solution

The fourth proportional to 180,273.86, 270,220.11 and 67,905.46 is: 101,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,273.86 : 270,220.11 = 67,905.46 : x
  2. Step 2: Convert to fraction form
    180,273.86/270,220.11 = 67,905.46/x
  3. Step 3: Cross multiply
    180,273.86x = 270,220.11 × 67,905.46
  4. Step 4: Simplify right side
    180,273.86x = 18,349,420,870.80
  5. Step 5: Solve for x
    x = 18,349,420,870.80/180,273.86
  6. Step 6: Final answer
    x = 101,786.36

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1.5x scale

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.