Home / 120,029.66-180,069.78-41,150.04

Finding the Fourth Proportional to 120,029.66, 180,069.78 and 41,150.04

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Solution

The fourth proportional to 120,029.66, 180,069.78 and 41,150.04 is: 61,733.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,029.66 : 180,069.78 = 41,150.04 : x
  2. Step 2: Convert to fraction form
    120,029.66/180,069.78 = 41,150.04/x
  3. Step 3: Cross multiply
    120,029.66x = 180,069.78 × 41,150.04
  4. Step 4: Simplify right side
    120,029.66x = 7,409,878,649.79
  5. Step 5: Solve for x
    x = 7,409,878,649.79/120,029.66
  6. Step 6: Final answer
    x = 61,733.73

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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.