Home / 219,724.74-329,573.10-70,072.38

Finding the Fourth Proportional to 219,724.74, 329,573.10 and 70,072.38

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Solution

The fourth proportional to 219,724.74, 329,573.10 and 70,072.38 is: 105,104.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,724.74 : 329,573.10 = 70,072.38 : x
  2. Step 2: Convert to fraction form
    219,724.74/329,573.10 = 70,072.38/x
  3. Step 3: Cross multiply
    219,724.74x = 329,573.10 × 70,072.38
  4. Step 4: Simplify right side
    219,724.74x = 23,093,971,500.98
  5. Step 5: Solve for x
    x = 23,093,971,500.98/219,724.74
  6. Step 6: Final answer
    x = 105,104.10

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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.