Home / 126,362.62-189,379.86-51,395.50

Finding the Fourth Proportional to 126,362.62, 189,379.86 and 51,395.50

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Solution

The fourth proportional to 126,362.62, 189,379.86 and 51,395.50 is: 77,026.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,362.62 : 189,379.86 = 51,395.50 : x
  2. Step 2: Convert to fraction form
    126,362.62/189,379.86 = 51,395.50/x
  3. Step 3: Cross multiply
    126,362.62x = 189,379.86 × 51,395.50
  4. Step 4: Simplify right side
    126,362.62x = 9,733,272,594.63
  5. Step 5: Solve for x
    x = 9,733,272,594.63/126,362.62
  6. Step 6: Final answer
    x = 77,026.52

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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.