Home / 219,906.10-329,859.15-70,157.35

Finding the Fourth Proportional to 219,906.10, 329,859.15 and 70,157.35

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Solution

The fourth proportional to 219,906.10, 329,859.15 and 70,157.35 is: 105,236.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,906.10 : 329,859.15 = 70,157.35 : x
  2. Step 2: Convert to fraction form
    219,906.10/329,859.15 = 70,157.35/x
  3. Step 3: Cross multiply
    219,906.10x = 329,859.15 × 70,157.35
  4. Step 4: Simplify right side
    219,906.10x = 23,142,043,837.25
  5. Step 5: Solve for x
    x = 23,142,043,837.25/219,906.10
  6. Step 6: Final answer
    x = 105,236.03

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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.