Home / 165,343.76-247,970.57-45,372.26

Finding the Fourth Proportional to 165,343.76, 247,970.57 and 45,372.26

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Solution

The fourth proportional to 165,343.76, 247,970.57 and 45,372.26 is: 68,046.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,343.76 : 247,970.57 = 45,372.26 : x
  2. Step 2: Convert to fraction form
    165,343.76/247,970.57 = 45,372.26/x
  3. Step 3: Cross multiply
    165,343.76x = 247,970.57 × 45,372.26
  4. Step 4: Simplify right side
    165,343.76x = 11,250,985,174.39
  5. Step 5: Solve for x
    x = 11,250,985,174.39/165,343.76
  6. Step 6: Final answer
    x = 68,046.02

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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.