Home / 136,273.42-188,062.71-75,846.61

Finding the Fourth Proportional to 136,273.42, 188,062.71 and 75,846.61

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Solution

The fourth proportional to 136,273.42, 188,062.71 and 75,846.61 is: 104,671.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,273.42 : 188,062.71 = 75,846.61 : x
  2. Step 2: Convert to fraction form
    136,273.42/188,062.71 = 75,846.61/x
  3. Step 3: Cross multiply
    136,273.42x = 188,062.71 × 75,846.61
  4. Step 4: Simplify right side
    136,273.42x = 14,263,918,080.60
  5. Step 5: Solve for x
    x = 14,263,918,080.60/136,273.42
  6. Step 6: Final answer
    x = 104,671.32

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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.