Home / 120,225.30-180,190.26-67,524

Finding the Fourth Proportional to 120,225.30, 180,190.26 and 67,524

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Solution

The fourth proportional to 120,225.30, 180,190.26 and 67,524 is: 101,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,225.30 : 180,190.26 = 67,524 : x
  2. Step 2: Convert to fraction form
    120,225.30/180,190.26 = 67,524/x
  3. Step 3: Cross multiply
    120,225.30x = 180,190.26 × 67,524
  4. Step 4: Simplify right side
    120,225.30x = 12,167,167,116.24
  5. Step 5: Solve for x
    x = 12,167,167,116.24/120,225.30
  6. Step 6: Final answer
    x = 101,203.05

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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.