Home / 126,236.07-189,353.54-51,355.60

Finding the Fourth Proportional to 126,236.07, 189,353.54 and 51,355.60

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Solution

The fourth proportional to 126,236.07, 189,353.54 and 51,355.60 is: 77,033.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,236.07 : 189,353.54 = 51,355.60 : x
  2. Step 2: Convert to fraction form
    126,236.07/189,353.54 = 51,355.60/x
  3. Step 3: Cross multiply
    126,236.07x = 189,353.54 × 51,355.60
  4. Step 4: Simplify right side
    126,236.07x = 9,724,364,313.83
  5. Step 5: Solve for x
    x = 9,724,364,313.83/126,236.07
  6. Step 6: Final answer
    x = 77,033.17

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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.