Home / 168,173.26-252,321.41-78,258.87

Finding the Fourth Proportional to 168,173.26, 252,321.41 and 78,258.87

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Solution

The fourth proportional to 168,173.26, 252,321.41 and 78,258.87 is: 117,416.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,173.26 : 252,321.41 = 78,258.87 : x
  2. Step 2: Convert to fraction form
    168,173.26/252,321.41 = 78,258.87/x
  3. Step 3: Cross multiply
    168,173.26x = 252,321.41 × 78,258.87
  4. Step 4: Simplify right side
    168,173.26x = 19,746,388,423.41
  5. Step 5: Solve for x
    x = 19,746,388,423.41/168,173.26
  6. Step 6: Final answer
    x = 117,416.93

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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.