Home / 120,353.12-166,014.96-88,604

Finding the Fourth Proportional to 120,353.12, 166,014.96 and 88,604

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Solution

The fourth proportional to 120,353.12, 166,014.96 and 88,604 is: 122,220.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,353.12 : 166,014.96 = 88,604 : x
  2. Step 2: Convert to fraction form
    120,353.12/166,014.96 = 88,604/x
  3. Step 3: Cross multiply
    120,353.12x = 166,014.96 × 88,604
  4. Step 4: Simplify right side
    120,353.12x = 14,709,589,515.84
  5. Step 5: Solve for x
    x = 14,709,589,515.84/120,353.12
  6. Step 6: Final answer
    x = 122,220.26

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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.