Home / 170,112.79-254,877.58-120,103.39

Finding the Fourth Proportional to 170,112.79, 254,877.58 and 120,103.39

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Solution

The fourth proportional to 170,112.79, 254,877.58 and 120,103.39 is: 179,949.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,112.79 : 254,877.58 = 120,103.39 : x
  2. Step 2: Convert to fraction form
    170,112.79/254,877.58 = 120,103.39/x
  3. Step 3: Cross multiply
    170,112.79x = 254,877.58 × 120,103.39
  4. Step 4: Simplify right side
    170,112.79x = 30,611,661,393.00
  5. Step 5: Solve for x
    x = 30,611,661,393.00/170,112.79
  6. Step 6: Final answer
    x = 179,949.21

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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.