Home / 118,791.36-178,187.04-110,918.16

Finding the Fourth Proportional to 118,791.36, 178,187.04 and 110,918.16

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Solution

The fourth proportional to 118,791.36, 178,187.04 and 110,918.16 is: 166,377.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,791.36 : 178,187.04 = 110,918.16 : x
  2. Step 2: Convert to fraction form
    118,791.36/178,187.04 = 110,918.16/x
  3. Step 3: Cross multiply
    118,791.36x = 178,187.04 × 110,918.16
  4. Step 4: Simplify right side
    118,791.36x = 19,764,178,612.65
  5. Step 5: Solve for x
    x = 19,764,178,612.65/118,791.36
  6. Step 6: Final answer
    x = 166,377.24

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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.