Home / 90,736.66-136,016.29-40,829.32

Finding the Fourth Proportional to 90,736.66, 136,016.29 and 40,829.32

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Solution

The fourth proportional to 90,736.66, 136,016.29 and 40,829.32 is: 61,204.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,736.66 : 136,016.29 = 40,829.32 : x
  2. Step 2: Convert to fraction form
    90,736.66/136,016.29 = 40,829.32/x
  3. Step 3: Cross multiply
    90,736.66x = 136,016.29 × 40,829.32
  4. Step 4: Simplify right side
    90,736.66x = 5,553,451,745.39
  5. Step 5: Solve for x
    x = 5,553,451,745.39/90,736.66
  6. Step 6: Final answer
    x = 61,204.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.