Home / 97,677.27-146,538-31,121.19

Finding the Fourth Proportional to 97,677.27, 146,538 and 31,121.19

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Solution

The fourth proportional to 97,677.27, 146,538 and 31,121.19 is: 46,688.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,677.27 : 146,538 = 31,121.19 : x
  2. Step 2: Convert to fraction form
    97,677.27/146,538 = 31,121.19/x
  3. Step 3: Cross multiply
    97,677.27x = 146,538 × 31,121.19
  4. Step 4: Simplify right side
    97,677.27x = 4,560,436,940.22
  5. Step 5: Solve for x
    x = 4,560,436,940.22/97,677.27
  6. Step 6: Final answer
    x = 46,688.82

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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.