Home / 139,207.44-191,979.66-117,742.26

Finding the Fourth Proportional to 139,207.44, 191,979.66 and 117,742.26

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Solution

The fourth proportional to 139,207.44, 191,979.66 and 117,742.26 is: 162,377.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,207.44 : 191,979.66 = 117,742.26 : x
  2. Step 2: Convert to fraction form
    139,207.44/191,979.66 = 117,742.26/x
  3. Step 3: Cross multiply
    139,207.44x = 191,979.66 × 117,742.26
  4. Step 4: Simplify right side
    139,207.44x = 22,604,119,042.43
  5. Step 5: Solve for x
    x = 22,604,119,042.43/139,207.44
  6. Step 6: Final answer
    x = 162,377.23

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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.