Home / 126,546.76-189,429.18-69,477.94

Finding the Fourth Proportional to 126,546.76, 189,429.18 and 69,477.94

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Solution

The fourth proportional to 126,546.76, 189,429.18 and 69,477.94 is: 104,002.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,546.76 : 189,429.18 = 69,477.94 : x
  2. Step 2: Convert to fraction form
    126,546.76/189,429.18 = 69,477.94/x
  3. Step 3: Cross multiply
    126,546.76x = 189,429.18 × 69,477.94
  4. Step 4: Simplify right side
    126,546.76x = 13,161,149,202.29
  5. Step 5: Solve for x
    x = 13,161,149,202.29/126,546.76
  6. Step 6: Final answer
    x = 104,002.26

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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.