Home / 126,372.83-189,555.59-51,474.45

Finding the Fourth Proportional to 126,372.83, 189,555.59 and 51,474.45

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Solution

The fourth proportional to 126,372.83, 189,555.59 and 51,474.45 is: 77,210.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,372.83 : 189,555.59 = 51,474.45 : x
  2. Step 2: Convert to fraction form
    126,372.83/189,555.59 = 51,474.45/x
  3. Step 3: Cross multiply
    126,372.83x = 189,555.59 × 51,474.45
  4. Step 4: Simplify right side
    126,372.83x = 9,757,269,868.36
  5. Step 5: Solve for x
    x = 9,757,269,868.36/126,372.83
  6. Step 6: Final answer
    x = 77,210.19

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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.