Home / 219,548.03-329,432.70-86,523.75

Finding the Fourth Proportional to 219,548.03, 329,432.70 and 86,523.75

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Solution

The fourth proportional to 219,548.03, 329,432.70 and 86,523.75 is: 129,829.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,548.03 : 329,432.70 = 86,523.75 : x
  2. Step 2: Convert to fraction form
    219,548.03/329,432.70 = 86,523.75/x
  3. Step 3: Cross multiply
    219,548.03x = 329,432.70 × 86,523.75
  4. Step 4: Simplify right side
    219,548.03x = 28,503,752,576.63
  5. Step 5: Solve for x
    x = 28,503,752,576.63/219,548.03
  6. Step 6: Final answer
    x = 129,829.24

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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.