Home / 120,169.80-180,284.22-41,285.16

Finding the Fourth Proportional to 120,169.80, 180,284.22 and 41,285.16

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Solution

The fourth proportional to 120,169.80, 180,284.22 and 41,285.16 is: 61,937.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,169.80 : 180,284.22 = 41,285.16 : x
  2. Step 2: Convert to fraction form
    120,169.80/180,284.22 = 41,285.16/x
  3. Step 3: Cross multiply
    120,169.80x = 180,284.22 × 41,285.16
  4. Step 4: Simplify right side
    120,169.80x = 7,443,062,868.18
  5. Step 5: Solve for x
    x = 7,443,062,868.18/120,169.80
  6. Step 6: Final answer
    x = 61,937.88

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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.