Home / 170,239.54-234,678.52-108,976.71

Finding the Fourth Proportional to 170,239.54, 234,678.52 and 108,976.71

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Solution

The fourth proportional to 170,239.54, 234,678.52 and 108,976.71 is: 150,226.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,239.54 : 234,678.52 = 108,976.71 : x
  2. Step 2: Convert to fraction form
    170,239.54/234,678.52 = 108,976.71/x
  3. Step 3: Cross multiply
    170,239.54x = 234,678.52 × 108,976.71
  4. Step 4: Simplify right side
    170,239.54x = 25,574,493,017.27
  5. Step 5: Solve for x
    x = 25,574,493,017.27/170,239.54
  6. Step 6: Final answer
    x = 150,226.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.