Home / 177,917.48-245,615.22-137,539.88

Finding the Fourth Proportional to 177,917.48, 245,615.22 and 137,539.88

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Solution

The fourth proportional to 177,917.48, 245,615.22 and 137,539.88 is: 189,873.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,917.48 : 245,615.22 = 137,539.88 : x
  2. Step 2: Convert to fraction form
    177,917.48/245,615.22 = 137,539.88/x
  3. Step 3: Cross multiply
    177,917.48x = 245,615.22 × 137,539.88
  4. Step 4: Simplify right side
    177,917.48x = 33,781,887,884.97
  5. Step 5: Solve for x
    x = 33,781,887,884.97/177,917.48
  6. Step 6: Final answer
    x = 189,873.91

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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.