Home / 219,352.25-328,986.86-106,919.52

Finding the Fourth Proportional to 219,352.25, 328,986.86 and 106,919.52

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Solution

The fourth proportional to 219,352.25, 328,986.86 and 106,919.52 is: 160,359.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,352.25 : 328,986.86 = 106,919.52 : x
  2. Step 2: Convert to fraction form
    219,352.25/328,986.86 = 106,919.52/x
  3. Step 3: Cross multiply
    219,352.25x = 328,986.86 × 106,919.52
  4. Step 4: Simplify right side
    219,352.25x = 35,175,116,622.91
  5. Step 5: Solve for x
    x = 35,175,116,622.91/219,352.25
  6. Step 6: Final answer
    x = 160,359.05

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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.