Home / 120,084.16-180,129.90-41,197.26

Finding the Fourth Proportional to 120,084.16, 180,129.90 and 41,197.26

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Solution

The fourth proportional to 120,084.16, 180,129.90 and 41,197.26 is: 61,797.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,084.16 : 180,129.90 = 41,197.26 : x
  2. Step 2: Convert to fraction form
    120,084.16/180,129.90 = 41,197.26/x
  3. Step 3: Cross multiply
    120,084.16x = 180,129.90 × 41,197.26
  4. Step 4: Simplify right side
    120,084.16x = 7,420,858,324.07
  5. Step 5: Solve for x
    x = 7,420,858,324.07/120,084.16
  6. Step 6: Final answer
    x = 61,797.15

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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.