Home / 131,928.96-182,059.28-73,785.56

Finding the Fourth Proportional to 131,928.96, 182,059.28 and 73,785.56

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Solution

The fourth proportional to 131,928.96, 182,059.28 and 73,785.56 is: 101,822.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,928.96 : 182,059.28 = 73,785.56 : x
  2. Step 2: Convert to fraction form
    131,928.96/182,059.28 = 73,785.56/x
  3. Step 3: Cross multiply
    131,928.96x = 182,059.28 × 73,785.56
  4. Step 4: Simplify right side
    131,928.96x = 13,433,345,928.00
  5. Step 5: Solve for x
    x = 13,433,345,928.00/131,928.96
  6. Step 6: Final answer
    x = 101,822.57

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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.