Home / 120,534.35-180,778.01-88,647.89

Finding the Fourth Proportional to 120,534.35, 180,778.01 and 88,647.89

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Solution

The fourth proportional to 120,534.35, 180,778.01 and 88,647.89 is: 132,954.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,534.35 : 180,778.01 = 88,647.89 : x
  2. Step 2: Convert to fraction form
    120,534.35/180,778.01 = 88,647.89/x
  3. Step 3: Cross multiply
    120,534.35x = 180,778.01 × 88,647.89
  4. Step 4: Simplify right side
    120,534.35x = 16,025,587,797.77
  5. Step 5: Solve for x
    x = 16,025,587,797.77/120,534.35
  6. Step 6: Final answer
    x = 132,954.54

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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.