Home / 134,639.49-201,964.37-50,390.79

Finding the Fourth Proportional to 134,639.49, 201,964.37 and 50,390.79

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Solution

The fourth proportional to 134,639.49, 201,964.37 and 50,390.79 is: 75,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,639.49 : 201,964.37 = 50,390.79 : x
  2. Step 2: Convert to fraction form
    134,639.49/201,964.37 = 50,390.79/x
  3. Step 3: Cross multiply
    134,639.49x = 201,964.37 × 50,390.79
  4. Step 4: Simplify right side
    134,639.49x = 10,177,143,146.83
  5. Step 5: Solve for x
    x = 10,177,143,146.83/134,639.49
  6. Step 6: Final answer
    x = 75,588.10

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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.