Home / 126,315.36-174,147.60-104,723.64

Finding the Fourth Proportional to 126,315.36, 174,147.60 and 104,723.64

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Solution

The fourth proportional to 126,315.36, 174,147.60 and 104,723.64 is: 144,379.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,315.36 : 174,147.60 = 104,723.64 : x
  2. Step 2: Convert to fraction form
    126,315.36/174,147.60 = 104,723.64/x
  3. Step 3: Cross multiply
    126,315.36x = 174,147.60 × 104,723.64
  4. Step 4: Simplify right side
    126,315.36x = 18,237,370,569.26
  5. Step 5: Solve for x
    x = 18,237,370,569.26/126,315.36
  6. Step 6: Final answer
    x = 144,379.67

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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.