Home / 126,286.76-189,459.30-37,538.30

Finding the Fourth Proportional to 126,286.76, 189,459.30 and 37,538.30

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Solution

The fourth proportional to 126,286.76, 189,459.30 and 37,538.30 is: 56,316.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,286.76 : 189,459.30 = 37,538.30 : x
  2. Step 2: Convert to fraction form
    126,286.76/189,459.30 = 37,538.30/x
  3. Step 3: Cross multiply
    126,286.76x = 189,459.30 × 37,538.30
  4. Step 4: Simplify right side
    126,286.76x = 7,111,979,093.89
  5. Step 5: Solve for x
    x = 7,111,979,093.89/126,286.76
  6. Step 6: Final answer
    x = 56,316.11

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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.