Home / 137,908.44-190,248.54-117,979.41

Finding the Fourth Proportional to 137,908.44, 190,248.54 and 117,979.41

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Solution

The fourth proportional to 137,908.44, 190,248.54 and 117,979.41 is: 162,755.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,908.44 : 190,248.54 = 117,979.41 : x
  2. Step 2: Convert to fraction form
    137,908.44/190,248.54 = 117,979.41/x
  3. Step 3: Cross multiply
    137,908.44x = 190,248.54 × 117,979.41
  4. Step 4: Simplify right side
    137,908.44x = 22,445,410,502.56
  5. Step 5: Solve for x
    x = 22,445,410,502.56/137,908.44
  6. Step 6: Final answer
    x = 162,755.89

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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.