Home / 231,942.89-347,804.38-89,854.72

Finding the Fourth Proportional to 231,942.89, 347,804.38 and 89,854.72

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Solution

The fourth proportional to 231,942.89, 347,804.38 and 89,854.72 is: 134,739.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,942.89 : 347,804.38 = 89,854.72 : x
  2. Step 2: Convert to fraction form
    231,942.89/347,804.38 = 89,854.72/x
  3. Step 3: Cross multiply
    231,942.89x = 347,804.38 × 89,854.72
  4. Step 4: Simplify right side
    231,942.89x = 31,251,864,422.48
  5. Step 5: Solve for x
    x = 31,251,864,422.48/231,942.89
  6. Step 6: Final answer
    x = 134,739.48

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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.