Home / 133,979.54-200,708.07-74,636.51

Finding the Fourth Proportional to 133,979.54, 200,708.07 and 74,636.51

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Solution

The fourth proportional to 133,979.54, 200,708.07 and 74,636.51 is: 111,809.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,979.54 : 200,708.07 = 74,636.51 : x
  2. Step 2: Convert to fraction form
    133,979.54/200,708.07 = 74,636.51/x
  3. Step 3: Cross multiply
    133,979.54x = 200,708.07 × 74,636.51
  4. Step 4: Simplify right side
    133,979.54x = 14,980,149,873.64
  5. Step 5: Solve for x
    x = 14,980,149,873.64/133,979.54
  6. Step 6: Final answer
    x = 111,809.24

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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.