Home / 120,147.37-180,273.77-57,013.13

Finding the Fourth Proportional to 120,147.37, 180,273.77 and 57,013.13

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Solution

The fourth proportional to 120,147.37, 180,273.77 and 57,013.13 is: 85,544.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,147.37 : 180,273.77 = 57,013.13 : x
  2. Step 2: Convert to fraction form
    120,147.37/180,273.77 = 57,013.13/x
  3. Step 3: Cross multiply
    120,147.37x = 180,273.77 × 57,013.13
  4. Step 4: Simplify right side
    120,147.37x = 10,277,971,884.60
  5. Step 5: Solve for x
    x = 10,277,971,884.60/120,147.37
  6. Step 6: Final answer
    x = 85,544.71

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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.