Home / 102,918.48-154,388.60-32,781.36

Finding the Fourth Proportional to 102,918.48, 154,388.60 and 32,781.36

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Solution

The fourth proportional to 102,918.48, 154,388.60 and 32,781.36 is: 49,175.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,918.48 : 154,388.60 = 32,781.36 : x
  2. Step 2: Convert to fraction form
    102,918.48/154,388.60 = 32,781.36/x
  3. Step 3: Cross multiply
    102,918.48x = 154,388.60 × 32,781.36
  4. Step 4: Simplify right side
    102,918.48x = 5,061,068,276.50
  5. Step 5: Solve for x
    x = 5,061,068,276.50/102,918.48
  6. Step 6: Final answer
    x = 49,175.51

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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.