Home / 202,399.48-279,310.08-111,754.71

Finding the Fourth Proportional to 202,399.48, 279,310.08 and 111,754.71

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Solution

The fourth proportional to 202,399.48, 279,310.08 and 111,754.71 is: 154,220.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,399.48 : 279,310.08 = 111,754.71 : x
  2. Step 2: Convert to fraction form
    202,399.48/279,310.08 = 111,754.71/x
  3. Step 3: Cross multiply
    202,399.48x = 279,310.08 × 111,754.71
  4. Step 4: Simplify right side
    202,399.48x = 31,214,216,990.48
  5. Step 5: Solve for x
    x = 31,214,216,990.48/202,399.48
  6. Step 6: Final answer
    x = 154,220.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.