Home / 219,759.11-329,688.38-70,007.93

Finding the Fourth Proportional to 219,759.11, 329,688.38 and 70,007.93

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Solution

The fourth proportional to 219,759.11, 329,688.38 and 70,007.93 is: 105,027.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,759.11 : 329,688.38 = 70,007.93 : x
  2. Step 2: Convert to fraction form
    219,759.11/329,688.38 = 70,007.93/x
  3. Step 3: Cross multiply
    219,759.11x = 329,688.38 × 70,007.93
  4. Step 4: Simplify right side
    219,759.11x = 23,080,801,028.85
  5. Step 5: Solve for x
    x = 23,080,801,028.85/219,759.11
  6. Step 6: Final answer
    x = 105,027.73

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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.