Home / 115,378.44-173,059.46-31,143.40

Finding the Fourth Proportional to 115,378.44, 173,059.46 and 31,143.40

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Solution

The fourth proportional to 115,378.44, 173,059.46 and 31,143.40 is: 46,712.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,378.44 : 173,059.46 = 31,143.40 : x
  2. Step 2: Convert to fraction form
    115,378.44/173,059.46 = 31,143.40/x
  3. Step 3: Cross multiply
    115,378.44x = 173,059.46 × 31,143.40
  4. Step 4: Simplify right side
    115,378.44x = 5,389,659,986.56
  5. Step 5: Solve for x
    x = 5,389,659,986.56/115,378.44
  6. Step 6: Final answer
    x = 46,712.89

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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.