Home / 126,362.52-189,379.32-51,395.28

Finding the Fourth Proportional to 126,362.52, 189,379.32 and 51,395.28

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Solution

The fourth proportional to 126,362.52, 189,379.32 and 51,395.28 is: 77,026.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,362.52 : 189,379.32 = 51,395.28 : x
  2. Step 2: Convert to fraction form
    126,362.52/189,379.32 = 51,395.28/x
  3. Step 3: Cross multiply
    126,362.52x = 189,379.32 × 51,395.28
  4. Step 4: Simplify right side
    126,362.52x = 9,733,203,177.61
  5. Step 5: Solve for x
    x = 9,733,203,177.61/126,362.52
  6. Step 6: Final answer
    x = 77,026.03

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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.