Home / 132,947.92-183,468.70-72,519.88

Finding the Fourth Proportional to 132,947.92, 183,468.70 and 72,519.88

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Solution

The fourth proportional to 132,947.92, 183,468.70 and 72,519.88 is: 100,077.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,947.92 : 183,468.70 = 72,519.88 : x
  2. Step 2: Convert to fraction form
    132,947.92/183,468.70 = 72,519.88/x
  3. Step 3: Cross multiply
    132,947.92x = 183,468.70 × 72,519.88
  4. Step 4: Simplify right side
    132,947.92x = 13,305,128,107.76
  5. Step 5: Solve for x
    x = 13,305,128,107.76/132,947.92
  6. Step 6: Final answer
    x = 100,077.75

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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.