Home / 136,242.76-204,177.84-102,935.56

Finding the Fourth Proportional to 136,242.76, 204,177.84 and 102,935.56

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Solution

The fourth proportional to 136,242.76, 204,177.84 and 102,935.56 is: 154,262.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,242.76 : 204,177.84 = 102,935.56 : x
  2. Step 2: Convert to fraction form
    136,242.76/204,177.84 = 102,935.56/x
  3. Step 3: Cross multiply
    136,242.76x = 204,177.84 × 102,935.56
  4. Step 4: Simplify right side
    136,242.76x = 21,017,160,299.99
  5. Step 5: Solve for x
    x = 21,017,160,299.99/136,242.76
  6. Step 6: Final answer
    x = 154,262.58

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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.