Home / 109,822.60-164,604.30-82,088.20

Finding the Fourth Proportional to 109,822.60, 164,604.30 and 82,088.20

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Solution

The fourth proportional to 109,822.60, 164,604.30 and 82,088.20 is: 123,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,822.60 : 164,604.30 = 82,088.20 : x
  2. Step 2: Convert to fraction form
    109,822.60/164,604.30 = 82,088.20/x
  3. Step 3: Cross multiply
    109,822.60x = 164,604.30 × 82,088.20
  4. Step 4: Simplify right side
    109,822.60x = 13,512,070,699.26
  5. Step 5: Solve for x
    x = 13,512,070,699.26/109,822.60
  6. Step 6: Final answer
    x = 123,035.43

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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.