Home / 126,003.82-189,039.84-47,126.02

Finding the Fourth Proportional to 126,003.82, 189,039.84 and 47,126.02

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Solution

The fourth proportional to 126,003.82, 189,039.84 and 47,126.02 is: 70,701.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,003.82 : 189,039.84 = 47,126.02 : x
  2. Step 2: Convert to fraction form
    126,003.82/189,039.84 = 47,126.02/x
  3. Step 3: Cross multiply
    126,003.82x = 189,039.84 × 47,126.02
  4. Step 4: Simplify right side
    126,003.82x = 8,908,695,280.64
  5. Step 5: Solve for x
    x = 8,908,695,280.64/126,003.82
  6. Step 6: Final answer
    x = 70,701.79

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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.