Home / 177,693.48-245,212.79-97,121.43

Finding the Fourth Proportional to 177,693.48, 245,212.79 and 97,121.43

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Solution

The fourth proportional to 177,693.48, 245,212.79 and 97,121.43 is: 134,025.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,693.48 : 245,212.79 = 97,121.43 : x
  2. Step 2: Convert to fraction form
    177,693.48/245,212.79 = 97,121.43/x
  3. Step 3: Cross multiply
    177,693.48x = 245,212.79 × 97,121.43
  4. Step 4: Simplify right side
    177,693.48x = 23,815,416,333.48
  5. Step 5: Solve for x
    x = 23,815,416,333.48/177,693.48
  6. Step 6: Final answer
    x = 134,025.27

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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.