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Finding the Fourth Proportional to 169,435.76, 233,820.60 and 96,837.44

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Solution

The fourth proportional to 169,435.76, 233,820.60 and 96,837.44 is: 133,635.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,435.76 : 233,820.60 = 96,837.44 : x
  2. Step 2: Convert to fraction form
    169,435.76/233,820.60 = 96,837.44/x
  3. Step 3: Cross multiply
    169,435.76x = 233,820.60 × 96,837.44
  4. Step 4: Simplify right side
    169,435.76x = 22,642,588,323.26
  5. Step 5: Solve for x
    x = 22,642,588,323.26/169,435.76
  6. Step 6: Final answer
    x = 133,635.24

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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.