Home / 170,114.79-254,880.57-120,105.39

Finding the Fourth Proportional to 170,114.79, 254,880.57 and 120,105.39

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Solution

The fourth proportional to 170,114.79, 254,880.57 and 120,105.39 is: 179,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,114.79 : 254,880.57 = 120,105.39 : x
  2. Step 2: Convert to fraction form
    170,114.79/254,880.57 = 120,105.39/x
  3. Step 3: Cross multiply
    170,114.79x = 254,880.57 × 120,105.39
  4. Step 4: Simplify right side
    170,114.79x = 30,612,530,263.27
  5. Step 5: Solve for x
    x = 30,612,530,263.27/170,114.79
  6. Step 6: Final answer
    x = 179,952.20

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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.