Home / 219,414.36-329,132.82-61,655.12

Finding the Fourth Proportional to 219,414.36, 329,132.82 and 61,655.12

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Solution

The fourth proportional to 219,414.36, 329,132.82 and 61,655.12 is: 92,485.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,414.36 : 329,132.82 = 61,655.12 : x
  2. Step 2: Convert to fraction form
    219,414.36/329,132.82 = 61,655.12/x
  3. Step 3: Cross multiply
    219,414.36x = 329,132.82 × 61,655.12
  4. Step 4: Simplify right side
    219,414.36x = 20,292,721,867.37
  5. Step 5: Solve for x
    x = 20,292,721,867.37/219,414.36
  6. Step 6: Final answer
    x = 92,485.84

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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.