Home / 140,958.36-194,531.22-77,305.32

Finding the Fourth Proportional to 140,958.36, 194,531.22 and 77,305.32

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Solution

The fourth proportional to 140,958.36, 194,531.22 and 77,305.32 is: 106,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,958.36 : 194,531.22 = 77,305.32 : x
  2. Step 2: Convert to fraction form
    140,958.36/194,531.22 = 77,305.32/x
  3. Step 3: Cross multiply
    140,958.36x = 194,531.22 × 77,305.32
  4. Step 4: Simplify right side
    140,958.36x = 15,038,298,212.09
  5. Step 5: Solve for x
    x = 15,038,298,212.09/140,958.36
  6. Step 6: Final answer
    x = 106,686.10

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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.