Home / 119,702.41-165,173.78-68,717.36

Finding the Fourth Proportional to 119,702.41, 165,173.78 and 68,717.36

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Solution

The fourth proportional to 119,702.41, 165,173.78 and 68,717.36 is: 94,821.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,702.41 : 165,173.78 = 68,717.36 : x
  2. Step 2: Convert to fraction form
    119,702.41/165,173.78 = 68,717.36/x
  3. Step 3: Cross multiply
    119,702.41x = 165,173.78 × 68,717.36
  4. Step 4: Simplify right side
    119,702.41x = 11,350,306,687.55
  5. Step 5: Solve for x
    x = 11,350,306,687.55/119,702.41
  6. Step 6: Final answer
    x = 94,821.04

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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.