Home / 119,748.90-165,264.54-68,768.31

Finding the Fourth Proportional to 119,748.90, 165,264.54 and 68,768.31

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Solution

The fourth proportional to 119,748.90, 165,264.54 and 68,768.31 is: 94,906.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,748.90 : 165,264.54 = 68,768.31 : x
  2. Step 2: Convert to fraction form
    119,748.90/165,264.54 = 68,768.31/x
  3. Step 3: Cross multiply
    119,748.90x = 165,264.54 × 68,768.31
  4. Step 4: Simplify right side
    119,748.90x = 11,364,963,118.73
  5. Step 5: Solve for x
    x = 11,364,963,118.73/119,748.90
  6. Step 6: Final answer
    x = 94,906.62

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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.