Home / 115,460.40-173,190.60-70,942.80

Finding the Fourth Proportional to 115,460.40, 173,190.60 and 70,942.80

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Solution

The fourth proportional to 115,460.40, 173,190.60 and 70,942.80 is: 106,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,460.40 : 173,190.60 = 70,942.80 : x
  2. Step 2: Convert to fraction form
    115,460.40/173,190.60 = 70,942.80/x
  3. Step 3: Cross multiply
    115,460.40x = 173,190.60 × 70,942.80
  4. Step 4: Simplify right side
    115,460.40x = 12,286,626,097.68
  5. Step 5: Solve for x
    x = 12,286,626,097.68/115,460.40
  6. Step 6: Final answer
    x = 106,414.20

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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.