Home / 179,708.10-247,988.34-108,074.22

Finding the Fourth Proportional to 179,708.10, 247,988.34 and 108,074.22

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Solution

The fourth proportional to 179,708.10, 247,988.34 and 108,074.22 is: 149,137.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,708.10 : 247,988.34 = 108,074.22 : x
  2. Step 2: Convert to fraction form
    179,708.10/247,988.34 = 108,074.22/x
  3. Step 3: Cross multiply
    179,708.10x = 247,988.34 × 108,074.22
  4. Step 4: Simplify right side
    179,708.10x = 26,801,146,414.59
  5. Step 5: Solve for x
    x = 26,801,146,414.59/179,708.10
  6. Step 6: Final answer
    x = 149,137.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.