Home / 136,292.05-188,083.01-75,861.39

Finding the Fourth Proportional to 136,292.05, 188,083.01 and 75,861.39

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Solution

The fourth proportional to 136,292.05, 188,083.01 and 75,861.39 is: 104,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,292.05 : 188,083.01 = 75,861.39 : x
  2. Step 2: Convert to fraction form
    136,292.05/188,083.01 = 75,861.39/x
  3. Step 3: Cross multiply
    136,292.05x = 188,083.01 × 75,861.39
  4. Step 4: Simplify right side
    136,292.05x = 14,268,238,763.64
  5. Step 5: Solve for x
    x = 14,268,238,763.64/136,292.05
  6. Step 6: Final answer
    x = 104,688.71

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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.