Home / 126,369.45-189,580.91-47,484.36

Finding the Fourth Proportional to 126,369.45, 189,580.91 and 47,484.36

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Solution

The fourth proportional to 126,369.45, 189,580.91 and 47,484.36 is: 71,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,369.45 : 189,580.91 = 47,484.36 : x
  2. Step 2: Convert to fraction form
    126,369.45/189,580.91 = 47,484.36/x
  3. Step 3: Cross multiply
    126,369.45x = 189,580.91 × 47,484.36
  4. Step 4: Simplify right side
    126,369.45x = 9,002,127,942.15
  5. Step 5: Solve for x
    x = 9,002,127,942.15/126,369.45
  6. Step 6: Final answer
    x = 71,236.58

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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.