Home / 109,850.60-164,646.30-82,116.20

Finding the Fourth Proportional to 109,850.60, 164,646.30 and 82,116.20

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Solution

The fourth proportional to 109,850.60, 164,646.30 and 82,116.20 is: 123,077.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,850.60 : 164,646.30 = 82,116.20 : x
  2. Step 2: Convert to fraction form
    109,850.60/164,646.30 = 82,116.20/x
  3. Step 3: Cross multiply
    109,850.60x = 164,646.30 × 82,116.20
  4. Step 4: Simplify right side
    109,850.60x = 13,520,128,500.06
  5. Step 5: Solve for x
    x = 13,520,128,500.06/109,850.60
  6. Step 6: Final answer
    x = 123,077.42

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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.