Home / 119,742.40-165,255.56-68,761.80

Finding the Fourth Proportional to 119,742.40, 165,255.56 and 68,761.80

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Solution

The fourth proportional to 119,742.40, 165,255.56 and 68,761.80 is: 94,897.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,742.40 : 165,255.56 = 68,761.80 : x
  2. Step 2: Convert to fraction form
    119,742.40/165,255.56 = 68,761.80/x
  3. Step 3: Cross multiply
    119,742.40x = 165,255.56 × 68,761.80
  4. Step 4: Simplify right side
    119,742.40x = 11,363,269,765.61
  5. Step 5: Solve for x
    x = 11,363,269,765.61/119,742.40
  6. Step 6: Final answer
    x = 94,897.63

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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.