Home / 136,333.56-188,139.89-75,902.64

Finding the Fourth Proportional to 136,333.56, 188,139.89 and 75,902.64

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Solution

The fourth proportional to 136,333.56, 188,139.89 and 75,902.64 is: 104,745.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,333.56 : 188,139.89 = 75,902.64 : x
  2. Step 2: Convert to fraction form
    136,333.56/188,139.89 = 75,902.64/x
  3. Step 3: Cross multiply
    136,333.56x = 188,139.89 × 75,902.64
  4. Step 4: Simplify right side
    136,333.56x = 14,280,314,340.31
  5. Step 5: Solve for x
    x = 14,280,314,340.31/136,333.56
  6. Step 6: Final answer
    x = 104,745.41

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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.