Home / 220,145.20-329,999.10-107,733.40

Finding the Fourth Proportional to 220,145.20, 329,999.10 and 107,733.40

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Solution

The fourth proportional to 220,145.20, 329,999.10 and 107,733.40 is: 161,493.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,145.20 : 329,999.10 = 107,733.40 : x
  2. Step 2: Convert to fraction form
    220,145.20/329,999.10 = 107,733.40/x
  3. Step 3: Cross multiply
    220,145.20x = 329,999.10 × 107,733.40
  4. Step 4: Simplify right side
    220,145.20x = 35,551,925,039.94
  5. Step 5: Solve for x
    x = 35,551,925,039.94/220,145.20
  6. Step 6: Final answer
    x = 161,493.07

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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.