Home / 109,962.20-164,910.90-43,380.20

Finding the Fourth Proportional to 109,962.20, 164,910.90 and 43,380.20

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Solution

The fourth proportional to 109,962.20, 164,910.90 and 43,380.20 is: 65,057.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,962.20 : 164,910.90 = 43,380.20 : x
  2. Step 2: Convert to fraction form
    109,962.20/164,910.90 = 43,380.20/x
  3. Step 3: Cross multiply
    109,962.20x = 164,910.90 × 43,380.20
  4. Step 4: Simplify right side
    109,962.20x = 7,153,867,824.18
  5. Step 5: Solve for x
    x = 7,153,867,824.18/109,962.20
  6. Step 6: Final answer
    x = 65,057.52

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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.