Home / 122,604.30-183,906.45-109,385.10

Finding the Fourth Proportional to 122,604.30, 183,906.45 and 109,385.10

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Solution

The fourth proportional to 122,604.30, 183,906.45 and 109,385.10 is: 164,077.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,604.30 : 183,906.45 = 109,385.10 : x
  2. Step 2: Convert to fraction form
    122,604.30/183,906.45 = 109,385.10/x
  3. Step 3: Cross multiply
    122,604.30x = 183,906.45 × 109,385.10
  4. Step 4: Simplify right side
    122,604.30x = 20,116,625,423.90
  5. Step 5: Solve for x
    x = 20,116,625,423.90/122,604.30
  6. Step 6: Final answer
    x = 164,077.65

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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.