Home / 115,891.20-173,785.60-53,580.80

Finding the Fourth Proportional to 115,891.20, 173,785.60 and 53,580.80

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Solution

The fourth proportional to 115,891.20, 173,785.60 and 53,580.80 is: 80,347.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,891.20 : 173,785.60 = 53,580.80 : x
  2. Step 2: Convert to fraction form
    115,891.20/173,785.60 = 53,580.80/x
  3. Step 3: Cross multiply
    115,891.20x = 173,785.60 × 53,580.80
  4. Step 4: Simplify right side
    115,891.20x = 9,311,571,476.48
  5. Step 5: Solve for x
    x = 9,311,571,476.48/115,891.20
  6. Step 6: Final answer
    x = 80,347.53

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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.