Home / 91,804.22-137,679.65-38,494.73

Finding the Fourth Proportional to 91,804.22, 137,679.65 and 38,494.73

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Solution

The fourth proportional to 91,804.22, 137,679.65 and 38,494.73 is: 57,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,804.22 : 137,679.65 = 38,494.73 : x
  2. Step 2: Convert to fraction form
    91,804.22/137,679.65 = 38,494.73/x
  3. Step 3: Cross multiply
    91,804.22x = 137,679.65 × 38,494.73
  4. Step 4: Simplify right side
    91,804.22x = 5,299,940,072.37
  5. Step 5: Solve for x
    x = 5,299,940,072.37/91,804.22
  6. Step 6: Final answer
    x = 57,730.90

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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.