Home / 219,813.15-329,713.55-70,062.41

Finding the Fourth Proportional to 219,813.15, 329,713.55 and 70,062.41

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Solution

The fourth proportional to 219,813.15, 329,713.55 and 70,062.41 is: 105,091.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,813.15 : 329,713.55 = 70,062.41 : x
  2. Step 2: Convert to fraction form
    219,813.15/329,713.55 = 70,062.41/x
  3. Step 3: Cross multiply
    219,813.15x = 329,713.55 × 70,062.41
  4. Step 4: Simplify right side
    219,813.15x = 23,100,526,396.63
  5. Step 5: Solve for x
    x = 23,100,526,396.63/219,813.15
  6. Step 6: Final answer
    x = 105,091.65

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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.