Home / 126,419.20-174,455.16-69,829.36

Finding the Fourth Proportional to 126,419.20, 174,455.16 and 69,829.36

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Solution

The fourth proportional to 126,419.20, 174,455.16 and 69,829.36 is: 96,362.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,419.20 : 174,455.16 = 69,829.36 : x
  2. Step 2: Convert to fraction form
    126,419.20/174,455.16 = 69,829.36/x
  3. Step 3: Cross multiply
    126,419.20x = 174,455.16 × 69,829.36
  4. Step 4: Simplify right side
    126,419.20x = 12,182,092,171.50
  5. Step 5: Solve for x
    x = 12,182,092,171.50/126,419.20
  6. Step 6: Final answer
    x = 96,362.67

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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.