Home / 219,736.80-329,823.90-107,543.70

Finding the Fourth Proportional to 219,736.80, 329,823.90 and 107,543.70

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Solution

The fourth proportional to 219,736.80, 329,823.90 and 107,543.70 is: 161,422.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,736.80 : 329,823.90 = 107,543.70 : x
  2. Step 2: Convert to fraction form
    219,736.80/329,823.90 = 107,543.70/x
  3. Step 3: Cross multiply
    219,736.80x = 329,823.90 × 107,543.70
  4. Step 4: Simplify right side
    219,736.80x = 35,470,482,554.43
  5. Step 5: Solve for x
    x = 35,470,482,554.43/219,736.80
  6. Step 6: Final answer
    x = 161,422.59

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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.