Home / 188,286.39-282,429.69-118,214.91

Finding the Fourth Proportional to 188,286.39, 282,429.69 and 118,214.91

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Solution

The fourth proportional to 188,286.39, 282,429.69 and 118,214.91 is: 177,322.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,286.39 : 282,429.69 = 118,214.91 : x
  2. Step 2: Convert to fraction form
    188,286.39/282,429.69 = 118,214.91/x
  3. Step 3: Cross multiply
    188,286.39x = 282,429.69 × 118,214.91
  4. Step 4: Simplify right side
    188,286.39x = 33,387,400,384.68
  5. Step 5: Solve for x
    x = 33,387,400,384.68/188,286.39
  6. Step 6: Final answer
    x = 177,322.43

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1.5x scale

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.