Home / 128,994.66-193,493.07-35,505.54

Finding the Fourth Proportional to 128,994.66, 193,493.07 and 35,505.54

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Solution

The fourth proportional to 128,994.66, 193,493.07 and 35,505.54 is: 53,258.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,994.66 : 193,493.07 = 35,505.54 : x
  2. Step 2: Convert to fraction form
    128,994.66/193,493.07 = 35,505.54/x
  3. Step 3: Cross multiply
    128,994.66x = 193,493.07 × 35,505.54
  4. Step 4: Simplify right side
    128,994.66x = 6,870,075,936.61
  5. Step 5: Solve for x
    x = 6,870,075,936.61/128,994.66
  6. Step 6: Final answer
    x = 53,258.61

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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.