Home / 119,933.90-165,518.50-68,963.20

Finding the Fourth Proportional to 119,933.90, 165,518.50 and 68,963.20

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Solution

The fourth proportional to 119,933.90, 165,518.50 and 68,963.20 is: 95,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,933.90 : 165,518.50 = 68,963.20 : x
  2. Step 2: Convert to fraction form
    119,933.90/165,518.50 = 68,963.20/x
  3. Step 3: Cross multiply
    119,933.90x = 165,518.50 × 68,963.20
  4. Step 4: Simplify right side
    119,933.90x = 11,414,685,419.20
  5. Step 5: Solve for x
    x = 11,414,685,419.20/119,933.90
  6. Step 6: Final answer
    x = 95,174.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.