Home / 126,186.55-189,316.34-40,795.58

Finding the Fourth Proportional to 126,186.55, 189,316.34 and 40,795.58

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Solution

The fourth proportional to 126,186.55, 189,316.34 and 40,795.58 is: 61,205.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,186.55 : 189,316.34 = 40,795.58 : x
  2. Step 2: Convert to fraction form
    126,186.55/189,316.34 = 40,795.58/x
  3. Step 3: Cross multiply
    126,186.55x = 189,316.34 × 40,795.58
  4. Step 4: Simplify right side
    126,186.55x = 7,723,269,893.78
  5. Step 5: Solve for x
    x = 7,723,269,893.78/126,186.55
  6. Step 6: Final answer
    x = 61,205.18

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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.