Home / 202,502.98-279,453-111,865.18

Finding the Fourth Proportional to 202,502.98, 279,453 and 111,865.18

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Solution

The fourth proportional to 202,502.98, 279,453 and 111,865.18 is: 154,373.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,502.98 : 279,453 = 111,865.18 : x
  2. Step 2: Convert to fraction form
    202,502.98/279,453 = 111,865.18/x
  3. Step 3: Cross multiply
    202,502.98x = 279,453 × 111,865.18
  4. Step 4: Simplify right side
    202,502.98x = 31,261,060,146.54
  5. Step 5: Solve for x
    x = 31,261,060,146.54/202,502.98
  6. Step 6: Final answer
    x = 154,373.33

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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.