Home / 173,079.20-259,829.40-109,899.20

Finding the Fourth Proportional to 173,079.20, 259,829.40 and 109,899.20

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Solution

The fourth proportional to 173,079.20, 259,829.40 and 109,899.20 is: 164,982.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,079.20 : 259,829.40 = 109,899.20 : x
  2. Step 2: Convert to fraction form
    173,079.20/259,829.40 = 109,899.20/x
  3. Step 3: Cross multiply
    173,079.20x = 259,829.40 × 109,899.20
  4. Step 4: Simplify right side
    173,079.20x = 28,555,043,196.48
  5. Step 5: Solve for x
    x = 28,555,043,196.48/173,079.20
  6. Step 6: Final answer
    x = 164,982.52

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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.