Home / 134,134.38-201,123.81-55,159.38

Finding the Fourth Proportional to 134,134.38, 201,123.81 and 55,159.38

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Solution

The fourth proportional to 134,134.38, 201,123.81 and 55,159.38 is: 82,707.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,134.38 : 201,123.81 = 55,159.38 : x
  2. Step 2: Convert to fraction form
    134,134.38/201,123.81 = 55,159.38/x
  3. Step 3: Cross multiply
    134,134.38x = 201,123.81 × 55,159.38
  4. Step 4: Simplify right side
    134,134.38x = 11,093,864,662.84
  5. Step 5: Solve for x
    x = 11,093,864,662.84/134,134.38
  6. Step 6: Final answer
    x = 82,707.09

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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.