Home / 134,945.33-202,541.45-68,431.37

Finding the Fourth Proportional to 134,945.33, 202,541.45 and 68,431.37

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Solution

The fourth proportional to 134,945.33, 202,541.45 and 68,431.37 is: 102,709.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,945.33 : 202,541.45 = 68,431.37 : x
  2. Step 2: Convert to fraction form
    134,945.33/202,541.45 = 68,431.37/x
  3. Step 3: Cross multiply
    134,945.33x = 202,541.45 × 68,431.37
  4. Step 4: Simplify right side
    134,945.33x = 13,860,187,550.42
  5. Step 5: Solve for x
    x = 13,860,187,550.42/134,945.33
  6. Step 6: Final answer
    x = 102,709.65

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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.