Home / 118,872-178,322.88-43,979.52

Finding the Fourth Proportional to 118,872, 178,322.88 and 43,979.52

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Solution

The fourth proportional to 118,872, 178,322.88 and 43,979.52 is: 65,974.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,872 : 178,322.88 = 43,979.52 : x
  2. Step 2: Convert to fraction form
    118,872/178,322.88 = 43,979.52/x
  3. Step 3: Cross multiply
    118,872x = 178,322.88 × 43,979.52
  4. Step 4: Simplify right side
    118,872x = 7,842,554,667.42
  5. Step 5: Solve for x
    x = 7,842,554,667.42/118,872
  6. Step 6: Final answer
    x = 65,974.79

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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.