Home / 136,201.23-187,954.86-75,770.57

Finding the Fourth Proportional to 136,201.23, 187,954.86 and 75,770.57

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Solution

The fourth proportional to 136,201.23, 187,954.86 and 75,770.57 is: 104,561.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,201.23 : 187,954.86 = 75,770.57 : x
  2. Step 2: Convert to fraction form
    136,201.23/187,954.86 = 75,770.57/x
  3. Step 3: Cross multiply
    136,201.23x = 187,954.86 × 75,770.57
  4. Step 4: Simplify right side
    136,201.23x = 14,241,447,630.50
  5. Step 5: Solve for x
    x = 14,241,447,630.50/136,201.23
  6. Step 6: Final answer
    x = 104,561.81

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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.