Home / 170,115.54-254,881.71-120,106.14

Finding the Fourth Proportional to 170,115.54, 254,881.71 and 120,106.14

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Solution

The fourth proportional to 170,115.54, 254,881.71 and 120,106.14 is: 179,953.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,115.54 : 254,881.71 = 120,106.14 : x
  2. Step 2: Convert to fraction form
    170,115.54/254,881.71 = 120,106.14/x
  3. Step 3: Cross multiply
    170,115.54x = 254,881.71 × 120,106.14
  4. Step 4: Simplify right side
    170,115.54x = 30,612,858,344.70
  5. Step 5: Solve for x
    x = 30,612,858,344.70/170,115.54
  6. Step 6: Final answer
    x = 179,953.33

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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.