Home / 137,182.33-189,318.98-76,749.37

Finding the Fourth Proportional to 137,182.33, 189,318.98 and 76,749.37

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Solution

The fourth proportional to 137,182.33, 189,318.98 and 76,749.37 is: 105,918.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,182.33 : 189,318.98 = 76,749.37 : x
  2. Step 2: Convert to fraction form
    137,182.33/189,318.98 = 76,749.37/x
  3. Step 3: Cross multiply
    137,182.33x = 189,318.98 × 76,749.37
  4. Step 4: Simplify right side
    137,182.33x = 14,530,112,060.30
  5. Step 5: Solve for x
    x = 14,530,112,060.30/137,182.33
  6. Step 6: Final answer
    x = 105,918.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.